655839398144 has 36 divisors (see below), whose sum is σ = 1496133631104. Its totient is φ = 281074027008.

The previous prime is 655839398077. The next prime is 655839398171. The reversal of 655839398144 is 441893938556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182989112 + ... + 182992695.

Almost surely, 2^655839398144 is an apocalyptic number.

655839398144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

655839398144 is an abundant number, since it is smaller than the sum of its proper divisors (840294232960).

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

655839398144 is an equidigital number, since it uses as much as digits as its factorization.

655839398144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365981830 (or 365981816 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 65.

The spelling of 655839398144 in words is "six hundred fifty-five billion, eight hundred thirty-nine million, three hundred ninety-eight thousand, one hundred forty-four".