52640638162 has 24 divisors (see below), whose sum is σ = 94815532800. Its totient is φ = 21832521480.

The previous prime is 52640638139. The next prime is 52640638201. The reversal of 52640638162 is 26183604625.

It is a super-2 number, since 2×52640638162² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8660662 + ... + 8666737.

It is an arithmetic number, because the mean of its divisors is an integer number (3950647200).

Almost surely, 2^52640638162 is an apocalyptic number.

52640638162 is a deficient number, since it is larger than the sum of its proper divisors (42174894638).

52640638162 is a wasteful number, since it uses less digits than its factorization.

52640638162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17327446 (or 17327439 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 52640638162 in words is "fifty-two billion, six hundred forty million, six hundred thirty-eight thousand, one hundred sixty-two".