660799110 has 32 divisors (see below), whose sum is σ = 1586838240. Its totient is φ = 176110848.

The previous prime is 660799109. The next prime is 660799123. The reversal of 660799110 is 11997066.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56226 + ... + 66954.

It is an arithmetic number, because the mean of its divisors is an integer number (49588695).

Almost surely, 2^660799110 is an apocalyptic number.

660799110 is an abundant number, since it is smaller than the sum of its proper divisors (926039130).

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

660799110 is a wasteful number, since it uses less digits than its factorization.

660799110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 660799110 is about 25706.0131097765. The cubic root of 660799110 is about 871.0100173590.

The spelling of 660799110 in words is "six hundred sixty million, seven hundred ninety-nine thousand, one hundred ten".