660952120 has 16 divisors (see below), whose sum is σ = 1487142360. Its totient is φ = 264380832.

The previous prime is 660952109. The next prime is 660952189. The reversal of 660952120 is 21259066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8261862 + ... + 8261941.

Almost surely, 2^660952120 is an apocalyptic number.

It is an amenable number.

660952120 is an abundant number, since it is smaller than the sum of its proper divisors (826190240).

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

660952120 is a wasteful number, since it uses less digits than its factorization.

660952120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16523814 (or 16523810 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 660952120 is about 25708.9890894216. The cubic root of 660952120 is about 871.0772404911.

The spelling of 660952120 in words is "six hundred sixty million, nine hundred fifty-two thousand, one hundred twenty".