655849831130 has 32 divisors (see below), whose sum is σ = 1278363694608. Its totient is φ = 240822028800.

The previous prime is 655849831111. The next prime is 655849831139. The reversal of 655849831130 is 31138948556.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18967624729 + 636882206401 = 137723^2 + 798049^2 .

It is not an unprimeable number, because it can be changed into a prime (655849831139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13912931 + ... + 13959990.

Almost surely, 2^655849831130 is an apocalyptic number.

655849831130 is a deficient number, since it is larger than the sum of its proper divisors (622513863478).

655849831130 is a wasteful number, since it uses less digits than its factorization.

655849831130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27873122.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 655849831130 in words is "six hundred fifty-five billion, eight hundred forty-nine million, eight hundred thirty-one thousand, one hundred thirty".