216520200617260 has 48 divisors (see below), whose sum is σ = 478371196104480. Its totient is φ = 82212020789760.

The previous prime is 216520200617243. The next prime is 216520200617351. The reversal of 216520200617260 is 62716002025612.

216520200617260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3568199730 + ... + 3568260409.

It is an arithmetic number, because the mean of its divisors is an integer number (9966066585510).

Almost surely, 2^{216520200617260} is an apocalyptic number.

216520200617260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216520200617260 is an abundant number, since it is smaller than the sum of its proper divisors (261850995487220).

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

216520200617260 is a wasteful number, since it uses less digits than its factorization.

216520200617260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136460226 (or 7136460224 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 216520200617260 in words is "two hundred sixteen trillion, five hundred twenty billion, two hundred million, six hundred seventeen thousand, two hundred sixty".