655632661315 has 16 divisors (see below), whose sum is σ = 799748696736. Its totient is φ = 515848435200.

The previous prime is 655632661259. The next prime is 655632661331. The reversal of 655632661315 is 513166236556.

It is not a de Polignac number, because 655632661315 - 2²¹ = 655630564163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638624 + ... + 2876386.

It is an arithmetic number, because the mean of its divisors is an integer number (49984293546).

Almost surely, 2^655632661315 is an apocalyptic number.

655632661315 is a deficient number, since it is larger than the sum of its proper divisors (144116035421).

655632661315 is a wasteful number, since it uses less digits than its factorization.

655632661315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246870.

The product of its digits is 2916000, while the sum is 49.

The spelling of 655632661315 in words is "six hundred fifty-five billion, six hundred thirty-two million, six hundred sixty-one thousand, three hundred fifteen".