665432604748 has 12 divisors (see below), whose sum is σ = 1166192312152. Its totient is φ = 332234801280.

The previous prime is 665432604713. The next prime is 665432604779. The reversal of 665432604748 is 847406234566.

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, 120372165 + ... + 120377692.

Almost surely, 2^665432604748 is an apocalyptic number.

It is an amenable number.

665432604748 is a deficient number, since it is larger than the sum of its proper divisors (500759707404).

665432604748 is a wasteful number, since it uses less digits than its factorization.

665432604748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240750552 (or 240750550 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 665432604748 in words is "six hundred sixty-five billion, four hundred thirty-two million, six hundred four thousand, seven hundred forty-eight".