660574712 has 32 divisors (see below), whose sum is σ = 1498785120. Its totient is φ = 266449920.

The previous prime is 660574711. The next prime is 660574751. The reversal of 660574712 is 217475066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660574711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345989 + ... + 347892.

It is an arithmetic number, because the mean of its divisors is an integer number (46837035).

Almost surely, 2^660574712 is an apocalyptic number.

It is an amenable number.

660574712 is an abundant number, since it is smaller than the sum of its proper divisors (838210408).

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

660574712 is a wasteful number, since it uses less digits than its factorization.

660574712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693911 (or 693907 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 660574712 is about 25701.6480405440. The cubic root of 660574712 is about 870.9114119829.

The spelling of 660574712 in words is "six hundred sixty million, five hundred seventy-four thousand, seven hundred twelve".