16734014780644 has 96 divisors (see below), whose sum is σ = 36130479598080. Its totient is φ = 6622795103232.

The previous prime is 16734014780629. The next prime is 16734014780669. The reversal of 16734014780644 is 44608741043761.

It is a super-3 number, since 3×16734014780644³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271462194 + ... + 271523830.

It is an arithmetic number, because the mean of its divisors is an integer number (376359162480).

Almost surely, 2^{16734014780644} is an apocalyptic number.

16734014780644 is a gapful number since it is divisible by the number (14) 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 16734014780644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18065239799040).

16734014780644 is an abundant number, since it is smaller than the sum of its proper divisors (19396464817436).

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

16734014780644 is a wasteful number, since it uses less digits than its factorization.

16734014780644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76237 (or 76235 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 16734014780644 in words is "sixteen trillion, seven hundred thirty-four billion, fourteen million, seven hundred eighty thousand, six hundred forty-four".