660342504 has 64 divisors (see below), whose sum is σ = 1667952000. Its totient is φ = 217849856.

The previous prime is 660342493. The next prime is 660342517. The reversal of 660342504 is 405243066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470472 + ... + 1470920.

It is an arithmetic number, because the mean of its divisors is an integer number (26061750).

Almost surely, 2^660342504 is an apocalyptic number.

It is an amenable number.

660342504 is an abundant number, since it is smaller than the sum of its proper divisors (1007609496).

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

660342504 is a wasteful number, since it uses less digits than its factorization.

660342504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 660342504 is about 25697.1302677945. The cubic root of 660342504 is about 870.8093512093.

The spelling of 660342504 in words is "six hundred sixty million, three hundred forty-two thousand, five hundred four".