16166661161100 has 72 divisors (see below), whose sum is σ = 49527041972688. Its totient is φ = 4057514956800.

The previous prime is 16166661161093. The next prime is 16166661161111. The reversal of 16166661161100 is 116116666161.

It is a super-2 number, since 2×16166661161100² (a number of 27 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, 1584961681 + ... + 1584971880.

It is an arithmetic number, because the mean of its divisors is an integer number (687875582954).

Almost surely, 2^{16166661161100} is an apocalyptic number.

16166661161100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16166661161100 is an abundant number, since it is smaller than the sum of its proper divisors (33360380811588).

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

16166661161100 is a wasteful number, since it uses less digits than its factorization.

16166661161100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169933595 (or 3169933588 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 16166661161100 in words is "sixteen trillion, one hundred sixty-six billion, six hundred sixty-one million, one hundred sixty-one thousand, one hundred".