52666840159904 has 96 divisors (see below), whose sum is σ = 110546659754496. Its totient is φ = 24641718773760.

The previous prime is 52666840159903. The next prime is 52666840159943. The reversal of 52666840159904 is 40995104866625.

52666840159904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×52666840159904³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52666840159903) 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, 78570614 + ... + 79238090.

It is an arithmetic number, because the mean of its divisors is an integer number (1151527705776).

Almost surely, 2^{52666840159904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52666840159904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55273329877248).

52666840159904 is an abundant number, since it is smaller than the sum of its proper divisors (57879819594592).

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

52666840159904 is a wasteful number, since it uses less digits than its factorization.

52666840159904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669838 (or 669830 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 52666840159904 in words is "fifty-two trillion, six hundred sixty-six billion, eight hundred forty million, one hundred fifty-nine thousand, nine hundred four".