38166818100 has 72 divisors (see below), whose sum is σ = 116241414240. Its totient is φ = 9642142080.

The previous prime is 38166818093. The next prime is 38166818113. The reversal of 38166818100 is 181866183.

It is a super-2 number, since 2×38166818100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3342267 + ... + 3353666.

Almost surely, 2^38166818100 is an apocalyptic number.

38166818100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38166818100 is an abundant number, since it is smaller than the sum of its proper divisors (78074596140).

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

38166818100 is a wasteful number, since it uses less digits than its factorization.

38166818100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695969 (or 6695962 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 38166818100 in words is "thirty-eight billion, one hundred sixty-six million, eight hundred eighteen thousand, one hundred".