665457352 has 32 divisors (see below), whose sum is σ = 1427025600. Its totient is φ = 284986944.

The previous prime is 665457341. The next prime is 665457371. The reversal of 665457352 is 253754566.

It is a junction number, because it is equal to n+sod(n) for n = 665457299 and 665457308.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91299 + ... + 98317.

It is an arithmetic number, because the mean of its divisors is an integer number (44594550).

Almost surely, 2^665457352 is an apocalyptic number.

It is an amenable number.

665457352 is an abundant number, since it is smaller than the sum of its proper divisors (761568248).

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

665457352 is a wasteful number, since it uses less digits than its factorization.

665457352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725 (or 8721 counting only the distinct ones).

The product of its digits is 756000, while the sum is 43.

The square root of 665457352 is about 25796.4600672263. The cubic root of 665457352 is about 873.0519281896.

The spelling of 665457352 in words is "six hundred sixty-five million, four hundred fifty-seven thousand, three hundred fifty-two".