212176164 has 24 divisors (see below), whose sum is σ = 497818048. Its totient is φ = 70333920.

The previous prime is 212176157. The next prime is 212176169. The reversal of 212176164 is 461671212.

It is not an unprimeable number, because it can be changed into a prime (212176169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46672 + ... + 51015.

Almost surely, 2^212176164 is an apocalyptic number.

It is an amenable number.

212176164 is an abundant number, since it is smaller than the sum of its proper divisors (285641884).

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

212176164 is a wasteful number, since it uses less digits than its factorization.

212176164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97875 (or 97873 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 212176164 is about 14566.2680189539. The cubic root of 212176164 is about 596.4383102231.

The spelling of 212176164 in words is "two hundred twelve million, one hundred seventy-six thousand, one hundred sixty-four".