38166491821344 has 48 divisors (see below), whose sum is σ = 100245255899040. Its totient is φ = 12714771576320.

The previous prime is 38166491821327. The next prime is 38166491821357. The reversal of 38166491821344 is 44312819466183.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115339614 + ... + 115670045.

It is an arithmetic number, because the mean of its divisors is an integer number (2088442831230).

Almost surely, 2^{38166491821344} is an apocalyptic number.

It is an amenable number.

38166491821344 is an abundant number, since it is smaller than the sum of its proper divisors (62078764077696).

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

38166491821344 is a wasteful number, since it uses less digits than its factorization.

38166491821344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231011393 (or 231011385 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 60.

The spelling of 38166491821344 in words is "thirty-eight trillion, one hundred sixty-six billion, four hundred ninety-one million, eight hundred twenty-one thousand, three hundred forty-four".