215024815160 has 64 divisors (see below), whose sum is σ = 499598841600. Its totient is φ = 83204352000.

The previous prime is 215024815157. The next prime is 215024815177. The reversal of 215024815160 is 61518420512.

It is a super-2 number, since 2×215024815160² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215024815160.

It is a congruent 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, 3442286 + ... + 3504194.

It is an arithmetic number, because the mean of its divisors is an integer number (7806231900).

Almost surely, 2^215024815160 is an apocalyptic number.

215024815160 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 215024815160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249799420800).

215024815160 is an abundant number, since it is smaller than the sum of its proper divisors (284574026440).

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

215024815160 is a wasteful number, since it uses less digits than its factorization.

215024815160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64752 (or 64748 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 215024815160 in words is "two hundred fifteen billion, twenty-four million, eight hundred fifteen thousand, one hundred sixty".