162180849015690 has 32 divisors (see below), whose sum is σ = 389235673330560. Its totient is φ = 43248044660544.

The previous prime is 162180849015629. The next prime is 162180849015697. The reversal of 162180849015690 is 96510948081261.

It is a super-2 number, since 2×162180849015690² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162180849015697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4023454 + ... + 18453993.

It is an arithmetic number, because the mean of its divisors is an integer number (12163614791580).

Almost surely, 2^{162180849015690} is an apocalyptic number.

162180849015690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162180849015690 is an abundant number, since it is smaller than the sum of its proper divisors (227054824314870).

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

162180849015690 is a wasteful number, since it uses less digits than its factorization.

162180849015690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22717966.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 162180849015690 in words is "one hundred sixty-two trillion, one hundred eighty billion, eight hundred forty-nine million, fifteen thousand, six hundred ninety".