52144617372660 has 144 divisors (see below), whose sum is σ = 158559264392256. Its totient is φ = 13871202448896.

The previous prime is 52144617372619. The next prime is 52144617372691. The reversal of 52144617372660 is 6627371644125.

52144617372660 is a `hidden beast` number, since 5 + 2 + 1 + 446 + 1 + 73 + 72 + 6 + 60 = 666.

It is a super-2 number, since 2×52144617372660² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52144617372597 and 52144617372606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324599919 + ... + 324760521.

It is an arithmetic number, because the mean of its divisors is an integer number (1101106002724).

Almost surely, 2^{52144617372660} 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 52144617372660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79279632196128).

52144617372660 is an abundant number, since it is smaller than the sum of its proper divisors (106414647019596).

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

52144617372660 is a wasteful number, since it uses less digits than its factorization.

52144617372660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165022 (or 165017 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 52144617372660 in words is "fifty-two trillion, one hundred forty-four billion, six hundred seventeen million, three hundred seventy-two thousand, six hundred sixty".