162170149056 has 56 divisors (see below), whose sum is σ = 429111582720. Its totient is φ = 54052131072.

The previous prime is 162170149033. The next prime is 162170149087. The reversal of 162170149056 is 650941071261.

It is a super-2 number, since 2×162170149056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162170148999 and 162170149017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2828385 + ... + 2885151.

Almost surely, 2^162170149056 is an apocalyptic number.

162170149056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162170149056 is an abundant number, since it is smaller than the sum of its proper divisors (266941433664).

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

162170149056 is a wasteful number, since it uses less digits than its factorization.

162170149056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71661 (or 71651 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 162170149056 in words is "one hundred sixty-two billion, one hundred seventy million, one hundred forty-nine thousand, fifty-six".