660886352 has 20 divisors (see below), whose sum is σ = 1463391456. Its totient is φ = 283236960.

The previous prime is 660886337. The next prime is 660886357. The reversal of 660886352 is 253688066.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660886357) 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 3 ways as a sum of consecutive naturals, for example, 2950274 + ... + 2950497.

Almost surely, 2^660886352 is an apocalyptic number.

It is an amenable number.

660886352 is an abundant number, since it is smaller than the sum of its proper divisors (802505104).

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

660886352 is a wasteful number, since it uses less digits than its factorization.

660886352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900786 (or 5900780 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 660886352 is about 25707.7099719131. The cubic root of 660886352 is about 871.0483473703.

The spelling of 660886352 in words is "six hundred sixty million, eight hundred eighty-six thousand, three hundred fifty-two".