162497773872 has 120 divisors (see below), whose sum is σ = 522347321600. Its totient is φ = 46194572160.

The previous prime is 162497773813. The next prime is 162497773891. The reversal of 162497773872 is 278377794261.

162497773872 is a `hidden beast` number, since 1 + 6 + 2 + 497 + 7 + 73 + 8 + 72 = 666.

162497773872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204454 + ... + 605637.

Almost surely, 2^162497773872 is an apocalyptic number.

162497773872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162497773872 is an abundant number, since it is smaller than the sum of its proper divisors (359849547728).

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

162497773872 is a wasteful number, since it uses less digits than its factorization.

162497773872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810311 (or 810302 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 63.

The spelling of 162497773872 in words is "one hundred sixty-two billion, four hundred ninety-seven million, seven hundred seventy-three thousand, eight hundred seventy-two".