213052664 has 16 divisors (see below), whose sum is σ = 435789720. Its totient is φ = 96842080.

The previous prime is 213052663. The next prime is 213052709. The reversal of 213052664 is 466250312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213052663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210439 + ... + 1210614.

Almost surely, 2^213052664 is an apocalyptic number.

It is an amenable number.

213052664 is an abundant number, since it is smaller than the sum of its proper divisors (222737056).

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

213052664 is a wasteful number, since it uses less digits than its factorization.

213052664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421070 (or 2421066 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 213052664 is about 14596.3236467269. The cubic root of 213052664 is about 597.2584776897.

The spelling of 213052664 in words is "two hundred thirteen million, fifty-two thousand, six hundred sixty-four".