213166350 has 48 divisors (see below), whose sum is σ = 587395440. Its totient is φ = 56844000.

The previous prime is 213166321. The next prime is 213166357. The reversal of 213166350 is 53661312.

213166350 is a `hidden beast` number, since 2 + 13 + 16 + 635 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213166357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77601 + ... + 80300.

It is an arithmetic number, because the mean of its divisors is an integer number (12237405).

Almost surely, 2^213166350 is an apocalyptic number.

213166350 is an abundant number, since it is smaller than the sum of its proper divisors (374229090).

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

213166350 is a wasteful number, since it uses less digits than its factorization.

213166350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157922 (or 157911 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 213166350 is about 14600.2174641339. The cubic root of 213166350 is about 597.3646922008.

The spelling of 213166350 in words is "two hundred thirteen million, one hundred sixty-six thousand, three hundred fifty".