660256104 has 32 divisors (see below), whose sum is σ = 1703888640. Its totient is φ = 212985600.

The previous prime is 660256097. The next prime is 660256127. The reversal of 660256104 is 401652066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442977 + ... + 444464.

It is an arithmetic number, because the mean of its divisors is an integer number (53246520).

Almost surely, 2^660256104 is an apocalyptic number.

It is an amenable number.

660256104 is an abundant number, since it is smaller than the sum of its proper divisors (1043632536).

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

660256104 is a wasteful number, since it uses less digits than its factorization.

660256104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887481 (or 887477 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 660256104 is about 25695.4490912301. The cubic root of 660256104 is about 870.7713703084.

The spelling of 660256104 in words is "six hundred sixty million, two hundred fifty-six thousand, one hundred four".