38661672372 has 24 divisors (see below), whose sum is σ = 90255797856. Its totient is φ = 12880762848.

The previous prime is 38661672367. The next prime is 38661672373. The reversal of 38661672372 is 27327616683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38661672373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782698 + ... + 830625.

It is an arithmetic number, because the mean of its divisors is an integer number (3760658244).

Almost surely, 2^38661672372 is an apocalyptic number.

It is an amenable number.

38661672372 is an abundant number, since it is smaller than the sum of its proper divisors (51594125484).

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

38661672372 is a wasteful number, since it uses less digits than its factorization.

38661672372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615327 (or 1615325 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 38661672372 in words is "thirty-eight billion, six hundred sixty-one million, six hundred seventy-two thousand, three hundred seventy-two".