16909666930 has 128 divisors (see below), whose sum is σ = 38124172800. Its totient is φ = 5324673024.

The previous prime is 16909666919. The next prime is 16909666993. The reversal of 16909666930 is 3966690961.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 957016 + ... + 974524.

It is an arithmetic number, because the mean of its divisors is an integer number (297845100).

Almost surely, 2^16909666930 is an apocalyptic number.

16909666930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16909666930 is an abundant number, since it is smaller than the sum of its proper divisors (21214505870).

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

16909666930 is a wasteful number, since it uses less digits than its factorization.

16909666930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17588.

The product of its (nonzero) digits is 2834352, while the sum is 55.

The spelling of 16909666930 in words is "sixteen billion, nine hundred nine million, six hundred sixty-six thousand, nine hundred thirty".