660057452 has 12 divisors (see below), whose sum is σ = 1167009480. Its totient is φ = 326626176.

The previous prime is 660057451. The next prime is 660057493. The reversal of 660057452 is 254750066.

It is not an unprimeable number, because it can be changed into a prime (660057451) 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, 850202 + ... + 850977.

It is an arithmetic number, because the mean of its divisors is an integer number (97250790).

Almost surely, 2^660057452 is an apocalyptic number.

It is an amenable number.

660057452 is a deficient number, since it is larger than the sum of its proper divisors (506952028).

660057452 is a wasteful number, since it uses less digits than its factorization.

660057452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701280 (or 1701278 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 660057452 is about 25691.5832910313. The cubic root of 660057452 is about 870.6840315599.

The spelling of 660057452 in words is "six hundred sixty million, fifty-seven thousand, four hundred fifty-two".