611472664 has 32 divisors (see below), whose sum is σ = 1305123840. Its totient is φ = 265856800.

The previous prime is 611472629. The next prime is 611472707. The reversal of 611472664 is 466274116.

It is a congruent number.

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, 149032 + ... + 153079.

It is an arithmetic number, because the mean of its divisors is an integer number (40785120).

Almost surely, 2^611472664 is an apocalyptic number.

It is an amenable number.

611472664 is an abundant number, since it is smaller than the sum of its proper divisors (693651176).

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

611472664 is a wasteful number, since it uses less digits than its factorization.

611472664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302151 (or 302147 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 611472664 is about 24727.9733095941. The cubic root of 611472664 is about 848.7745496806.

The spelling of 611472664 in words is "six hundred eleven million, four hundred seventy-two thousand, six hundred sixty-four".