215762615160 has 128 divisors (see below), whose sum is σ = 670097664000. Its totient is φ = 55519879680.

The previous prime is 215762615149. The next prime is 215762615287. The reversal of 215762615160 is 61516267512.

It is a super-2 number, since 2×215762615160² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207266 + ... + 1374414.

It is an arithmetic number, because the mean of its divisors is an integer number (5235138000).

Almost surely, 2^215762615160 is an apocalyptic number.

215762615160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215762615160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335048832000).

215762615160 is an abundant number, since it is smaller than the sum of its proper divisors (454335048840).

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

215762615160 is a wasteful number, since it uses less digits than its factorization.

215762615160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167541 (or 167537 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 215762615160 in words is "two hundred fifteen billion, seven hundred sixty-two million, six hundred fifteen thousand, one hundred sixty".