16166660100 has 72 divisors (see below), whose sum is σ = 46790213568. Its totient is φ = 4309756800.

The previous prime is 16166660063. The next prime is 16166660117. The reversal of 16166660100 is 106666161.

It is a super-2 number, since 2×16166660100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1271977 + ... + 1284623.

Almost surely, 2^16166660100 is an apocalyptic number.

16166660100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16166660100 is an abundant number, since it is smaller than the sum of its proper divisors (30623553468).

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

16166660100 is a wasteful number, since it uses less digits than its factorization.

16166660100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16925 (or 16918 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 16166660100 in words is "sixteen billion, one hundred sixty-six million, six hundred sixty thousand, one hundred".