660670912 has 28 divisors (see below), whose sum is σ = 1430203896. Its totient is φ = 300304640.

The previous prime is 660670889. The next prime is 660670919. The reversal of 660670912 is 219076066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660670919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468523 + ... + 469930.

Almost surely, 2^660670912 is an apocalyptic number.

It is an amenable number.

660670912 is an abundant number, since it is smaller than the sum of its proper divisors (769532984).

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

660670912 is a wasteful number, since it uses less digits than its factorization.

660670912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938476 (or 938466 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 660670912 is about 25703.5194477332. The cubic root of 660670912 is about 870.9536870955.

The spelling of 660670912 in words is "six hundred sixty million, six hundred seventy thousand, nine hundred twelve".