660001304 has 8 divisors (see below), whose sum is σ = 1237502460. Its totient is φ = 330000648.

The previous prime is 660001297. The next prime is 660001333. The reversal of 660001304 is 403100066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41250074 + ... + 41250089.

Almost surely, 2^660001304 is an apocalyptic number.

It is an amenable number.

660001304 is a deficient number, since it is larger than the sum of its proper divisors (577501156).

660001304 is a wasteful number, since it uses less digits than its factorization.

660001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82500169 (or 82500165 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 660001304 is about 25690.4905363833. The cubic root of 660001304 is about 870.6593425205.

The spelling of 660001304 in words is "six hundred sixty million, one thousand, three hundred four".