580397664 has 96 divisors (see below), whose sum is σ = 1899507456. Its totient is φ = 150750720.

The previous prime is 580397659. The next prime is 580397683. The reversal of 580397664 is 466793085.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×580397664² = 673722896753313792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31867 + ... + 46650.

It is an arithmetic number, because the mean of its divisors is an integer number (19786536).

Almost surely, 2^580397664 is an apocalyptic number.

It is an amenable number.

580397664 is an abundant number, since it is smaller than the sum of its proper divisors (1319109792).

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

580397664 is a wasteful number, since it uses less digits than its factorization.

580397664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78548 (or 78540 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 580397664 is about 24091.4437923508. The cubic root of 580397664 is about 834.1456422034.

It can be divided in two parts, 58039 and 7664, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 580397664 in words is "five hundred eighty million, three hundred ninety-seven thousand, six hundred sixty-four".