205664152 has 8 divisors (see below), whose sum is σ = 385620300. Its totient is φ = 102832072.

The previous prime is 205664131. The next prime is 205664177. The reversal of 205664152 is 251466502.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12854002 + ... + 12854017.

Almost surely, 2^205664152 is an apocalyptic number.

It is an amenable number.

205664152 is a deficient number, since it is larger than the sum of its proper divisors (179956148).

205664152 is a wasteful number, since it uses less digits than its factorization.

205664152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25708025 (or 25708021 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 205664152 is about 14340.9955024050. The cubic root of 205664152 is about 590.2729293609.

The spelling of 205664152 in words is "two hundred five million, six hundred sixty-four thousand, one hundred fifty-two".