660793492 has 12 divisors (see below), whose sum is σ = 1180992960. Its totient is φ = 323366936.

The previous prime is 660793477. The next prime is 660793499. The reversal of 660793492 is 294397066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660793499) 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, 1757242 + ... + 1757617.

It is an arithmetic number, because the mean of its divisors is an integer number (98416080).

Almost surely, 2^660793492 is an apocalyptic number.

It is an amenable number.

660793492 is a deficient number, since it is larger than the sum of its proper divisors (520199468).

660793492 is a wasteful number, since it uses less digits than its factorization.

660793492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514910 (or 3514908 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 660793492 is about 25705.9038355005. The cubic root of 660793492 is about 871.0075489597.

The spelling of 660793492 in words is "six hundred sixty million, seven hundred ninety-three thousand, four hundred ninety-two".