660792576 has 72 divisors (see below), whose sum is σ = 1835184960. Its totient is φ = 210681856.

The previous prime is 660792551. The next prime is 660792593. The reversal of 660792576 is 675297066.

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 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 36368.

It is an arithmetic number, because the mean of its divisors is an integer number (25488680).

Almost surely, 2^660792576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660792576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917592480).

660792576 is an abundant number, since it is smaller than the sum of its proper divisors (1174392384).

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

660792576 is a wasteful number, since it uses less digits than its factorization.

660792576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37451 (or 37437 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 660792576 is about 25705.8860185756. The cubic root of 660792576 is about 871.0071464925.

The spelling of 660792576 in words is "six hundred sixty million, seven hundred ninety-two thousand, five hundred seventy-six".