215155132160 has 36 divisors (see below), whose sum is σ = 515363780568. Its totient is φ = 86062052352.

The previous prime is 215155132117. The next prime is 215155132177. The reversal of 215155132160 is 61231551512.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84043694 + ... + 84046253.

Almost surely, 2^215155132160 is an apocalyptic number.

215155132160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215155132160 is an abundant number, since it is smaller than the sum of its proper divisors (300208648408).

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

215155132160 is an equidigital number, since it uses as much as digits as its factorization.

215155132160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168089968 (or 168089954 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 215155132160 its reverse (61231551512), we get a palindrome (276386683672).

The spelling of 215155132160 in words is "two hundred fifteen billion, one hundred fifty-five million, one hundred thirty-two thousand, one hundred sixty".