213095916 has 36 divisors (see below), whose sum is σ = 587629224. Its totient is φ = 64574400.

The previous prime is 213095903. The next prime is 213095929. The reversal of 213095916 is 619590312.

It is an interprime number because it is at equal distance from previous prime (213095903) and next prime (213095929).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268665 + ... + 269456.

It is an arithmetic number, because the mean of its divisors is an integer number (16323034).

Almost surely, 2^213095916 is an apocalyptic number.

It is an amenable number.

213095916 is an abundant number, since it is smaller than the sum of its proper divisors (374533308).

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

213095916 is a wasteful number, since it uses less digits than its factorization.

213095916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538142 (or 538137 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 213095916 is about 14597.8051774916. The cubic root of 213095916 is about 597.2988916032.

It can be divided in two parts, 21309 and 5916, that added together give a square (27225 = 165²).

The spelling of 213095916 in words is "two hundred thirteen million, ninety-five thousand, nine hundred sixteen".