660986116 has 24 divisors (see below), whose sum is σ = 1323725760. Its totient is φ = 282904032.

The previous prime is 660986111. The next prime is 660986141. The reversal of 660986116 is 611689066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (660986111) 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, 6375 + ... + 36913.

It is an arithmetic number, because the mean of its divisors is an integer number (55155240).

Almost surely, 2^660986116 is an apocalyptic number.

It is an amenable number.

660986116 is an abundant number, since it is smaller than the sum of its proper divisors (662739644).

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

660986116 is a wasteful number, since it uses less digits than its factorization.

660986116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31323 (or 31321 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 660986116 is about 25709.6502504410. The cubic root of 660986116 is about 871.0921748225.

The spelling of 660986116 in words is "six hundred sixty million, nine hundred eighty-six thousand, one hundred sixteen".