162631785664 has 14 divisors (see below), whose sum is σ = 322722449804. Its totient is φ = 81315892800.

The previous prime is 162631785653. The next prime is 162631785671. The reversal of 162631785664 is 466587136261.

It is a happy number.

It is a super-2 number, since 2×162631785664² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270560762 + ... + 1270560889.

Almost surely, 2^162631785664 is an apocalyptic number.

It is an amenable number.

162631785664 is a deficient number, since it is larger than the sum of its proper divisors (160090664140).

162631785664 is an equidigital number, since it uses as much as digits as its factorization.

162631785664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541121663 (or 2541121653 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 162631785664 in words is "one hundred sixty-two billion, six hundred thirty-one million, seven hundred eighty-five thousand, six hundred sixty-four".