51366141463616 has 112 divisors (see below), whose sum is σ = 122664478632960. Its totient is φ = 20848231733760.

The previous prime is 51366141463613. The next prime is 51366141463619. The reversal of 51366141463616 is 61636414166315.

51366141463616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51366141463613) and next prime (51366141463619).

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×51366141463616³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51366141463613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23670971 + ... + 25749701.

Almost surely, 2^{51366141463616} is an apocalyptic number.

51366141463616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51366141463616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61332239316480).

51366141463616 is an abundant number, since it is smaller than the sum of its proper divisors (71298337169344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51366141463616 is a wasteful number, since it uses less digits than its factorization.

51366141463616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081672 (or 2081662 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 53.

The spelling of 51366141463616 in words is "fifty-one trillion, three hundred sixty-six billion, one hundred forty-one million, four hundred sixty-three thousand, six hundred sixteen".