660108752 has 20 divisors (see below), whose sum is σ = 1279369380. Its totient is φ = 329948928.

The previous prime is 660108751. The next prime is 660108821. The reversal of 660108752 is 257801066.

660108752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 656589376 = 1876^2 + 25624^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660108751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77774 + ... + 85842.

It is an arithmetic number, because the mean of its divisors is an integer number (63968469).

Almost surely, 2^660108752 is an apocalyptic number.

It is an amenable number.

660108752 is a deficient number, since it is larger than the sum of its proper divisors (619260628).

660108752 is a wasteful number, since it uses less digits than its factorization.

660108752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190 (or 13184 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 660108752 is about 25692.5816530764. The cubic root of 660108752 is about 870.7065876438.

The spelling of 660108752 in words is "six hundred sixty million, one hundred eight thousand, seven hundred fifty-two".