660799108 has 24 divisors (see below), whose sum is σ = 1215910080. Its totient is φ = 313616160.

The previous prime is 660799079. The next prime is 660799109. The reversal of 660799108 is 801997066.

It is a super-2 number, since 2×660799108² = 873310922267191328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (660799109) 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, 15363 + ... + 39466.

It is an arithmetic number, because the mean of its divisors is an integer number (50662920).

Almost surely, 2^660799108 is an apocalyptic number.

It is an amenable number.

660799108 is a deficient number, since it is larger than the sum of its proper divisors (555110972).

660799108 is a wasteful number, since it uses less digits than its factorization.

660799108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54987 (or 54985 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 660799108 is about 25706.0130708751. The cubic root of 660799108 is about 871.0100164803.

The spelling of 660799108 in words is "six hundred sixty million, seven hundred ninety-nine thousand, one hundred eight".