15700216166220 has 96 divisors (see below), whose sum is σ = 43989451047360. Its totient is φ = 4183978071040.

The previous prime is 15700216166207. The next prime is 15700216166281. The reversal of 15700216166220 is 2266161200751.

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, 659966086 + ... + 659989874.

It is an arithmetic number, because the mean of its divisors is an integer number (458223448410).

Almost surely, 2^{15700216166220} is an apocalyptic number.

15700216166220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15700216166220 is an abundant number, since it is smaller than the sum of its proper divisors (28289234881140).

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

15700216166220 is a wasteful number, since it uses less digits than its factorization.

15700216166220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555 (or 30553 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 15700216166220 its reverse (2266161200751), we get a palindrome (17966377366971).

The spelling of 15700216166220 in words is "fifteen trillion, seven hundred billion, two hundred sixteen million, one hundred sixty-six thousand, two hundred twenty".