162213568880 has 80 divisors (see below), whose sum is σ = 435634555104. Its totient is φ = 55516938240.

The previous prime is 162213568873. The next prime is 162213568939. The reversal of 162213568880 is 88865312261.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5406617 + ... + 5436536.

Almost surely, 2^162213568880 is an apocalyptic number.

162213568880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162213568880 is an abundant number, since it is smaller than the sum of its proper divisors (273420986224).

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

162213568880 is a wasteful number, since it uses less digits than its factorization.

162213568880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843194 (or 10843188 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 162213568880 in words is "one hundred sixty-two billion, two hundred thirteen million, five hundred sixty-eight thousand, eight hundred eighty".