215053163660 has 48 divisors (see below), whose sum is σ = 453440060640. Its totient is φ = 85673210880.

The previous prime is 215053163653. The next prime is 215053163671. The reversal of 215053163660 is 66361350512.

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, 25394747 + ... + 25403213.

It is an arithmetic number, because the mean of its divisors is an integer number (9446667930).

Almost surely, 2^215053163660 is an apocalyptic number.

215053163660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215053163660 is an abundant number, since it is smaller than the sum of its proper divisors (238386896980).

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

215053163660 is a wasteful number, since it uses less digits than its factorization.

215053163660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466 (or 13464 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 215053163660 in words is "two hundred fifteen billion, fifty-three million, one hundred sixty-three thousand, six hundred sixty".