213162160 has 40 divisors (see below), whose sum is σ = 517154400. Its totient is φ = 81556992.

The previous prime is 213162149. The next prime is 213162161. The reversal of 213162160 is 61261312.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (213162161) 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, 56085 + ... + 59764.

It is an arithmetic number, because the mean of its divisors is an integer number (12928860).

Almost surely, 2^213162160 is an apocalyptic number.

213162160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213162160 is an abundant number, since it is smaller than the sum of its proper divisors (303992240).

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

213162160 is a wasteful number, since it uses less digits than its factorization.

213162160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115885 (or 115879 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 213162160 is about 14600.0739724153. The cubic root of 213162160 is about 597.3607782396.

The spelling of 213162160 in words is "two hundred thirteen million, one hundred sixty-two thousand, one hundred sixty".