2101166983672 has 16 divisors (see below), whose sum is σ = 4046166151560. Its totient is φ = 1022189343264.

The previous prime is 2101166983667. The next prime is 2101166983673. The reversal of 2101166983672 is 2763896611012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101166983673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549268258 + ... + 3549268849.

Almost surely, 2^{2101166983672} is an apocalyptic number.

It is an amenable number.

2101166983672 is a deficient number, since it is larger than the sum of its proper divisors (1944999167888).

2101166983672 is a wasteful number, since it uses less digits than its factorization.

2101166983672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098537150 (or 7098537146 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 2101166983672 in words is "two trillion, one hundred one billion, one hundred sixty-six million, nine hundred eighty-three thousand, six hundred seventy-two".