83666180120 has 32 divisors (see below), whose sum is σ = 188262608400. Its totient is φ = 33464035968.

The previous prime is 83666180111. The next prime is 83666180131. The reversal of 83666180120 is 2108166638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542267 + ... + 679253.

Almost surely, 2^83666180120 is an apocalyptic number.

It is an amenable number.

83666180120 is an abundant number, since it is smaller than the sum of its proper divisors (104596428280).

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

83666180120 is a wasteful number, since it uses less digits than its factorization.

83666180120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152267 (or 152263 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 83666180120 in words is "eighty-three billion, six hundred sixty-six million, one hundred eighty thousand, one hundred twenty".