16630646671220 has 48 divisors (see below), whose sum is σ = 35870289426048. Its totient is φ = 6472101605760.

The previous prime is 16630646671189. The next prime is 16630646671283. The reversal of 16630646671220 is 2217664603661.

16630646671220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×16630646671220³ (a number of 41 digits) contains 333 as substring.

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, 12636065 + ... + 13889975.

It is an arithmetic number, because the mean of its divisors is an integer number (747297696376).

Almost surely, 2^{16630646671220} is an apocalyptic number.

16630646671220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16630646671220 is an abundant number, since it is smaller than the sum of its proper divisors (19239642754828).

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

16630646671220 is a wasteful number, since it uses less digits than its factorization.

16630646671220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271880 (or 1271878 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 16630646671220 in words is "sixteen trillion, six hundred thirty billion, six hundred forty-six million, six hundred seventy-one thousand, two hundred twenty".