162508815140 has 48 divisors (see below), whose sum is σ = 391538835072. Its totient is φ = 55500496896.

The previous prime is 162508815107. The next prime is 162508815167. The reversal of 162508815140 is 41518805261.

It is a super-2 number, since 2×162508815140² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222342 + ... + 2294301.

It is an arithmetic number, because the mean of its divisors is an integer number (8157059064).

Almost surely, 2^162508815140 is an apocalyptic number.

162508815140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162508815140 is an abundant number, since it is smaller than the sum of its proper divisors (229030019932).

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

162508815140 is a wasteful number, since it uses less digits than its factorization.

162508815140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516916 (or 4516914 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 162508815140 in words is "one hundred sixty-two billion, five hundred eight million, eight hundred fifteen thousand, one hundred forty".