215800007160 has 64 divisors (see below), whose sum is σ = 658372924800. Its totient is φ = 56571299456.

The previous prime is 215800007149. The next prime is 215800007231. The reversal of 215800007160 is 61700008512.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 15233034 + ... + 15247193.

It is an arithmetic number, because the mean of its divisors is an integer number (10287076950).

Almost surely, 2^215800007160 is an apocalyptic number.

215800007160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215800007160 is an abundant number, since it is smaller than the sum of its proper divisors (442572917640).

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

215800007160 is a wasteful number, since it uses less digits than its factorization.

215800007160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30480300 (or 30480296 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The spelling of 215800007160 in words is "two hundred fifteen billion, eight hundred million, seven thousand, one hundred sixty".