660332474 has 8 divisors (see below), whose sum is σ = 1001628180. Its totient is φ = 326456416.

The previous prime is 660332443. The next prime is 660332501. The reversal of 660332474 is 474233066.

It can be written as a sum of positive squares in 2 ways, for example, as 501446449 + 158886025 = 22393^2 + 12605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854689 + ... + 1855044.

Almost surely, 2^660332474 is an apocalyptic number.

660332474 is a deficient number, since it is larger than the sum of its proper divisors (341295706).

660332474 is a wasteful number, since it uses less digits than its factorization.

660332474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709824.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 660332474 is about 25696.9351090748. The cubic root of 660332474 is about 870.8049422539.

The spelling of 660332474 in words is "six hundred sixty million, three hundred thirty-two thousand, four hundred seventy-four".