52170539474664 has 192 divisors, whose sum is σ = 157421347246800. Its totient is φ = 15497932197888.

The previous prime is 52170539474663. The next prime is 52170539474671. The reversal of 52170539474664 is 46647493507125.

52170539474664 is a `hidden beast` number, since 5 + 2 + 1 + 70 + 5 + 39 + 474 + 6 + 64 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 46029847320900 + 6140692153764 = 6784530^2 + 2478042^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52170539474663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487371292 + ... + 487478324.

Almost surely, 2^{52170539474664} 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 52170539474664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78710673623400).

52170539474664 is an abundant number, since it is smaller than the sum of its proper divisors (105250807772136).

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

52170539474664 is a wasteful number, since it uses less digits than its factorization.

52170539474664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125044 (or 125037 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 52170539474664 in words is "fifty-two trillion, one hundred seventy billion, five hundred thirty-nine million, four hundred seventy-four thousand, six hundred sixty-four".