38661333374688 has 48 divisors (see below), whose sum is σ = 107455764825360. Its totient is φ = 12129045764096.

The previous prime is 38661333374669. The next prime is 38661333374707. The reversal of 38661333374688 is 88647333316683.

It is an interprime number because it is at equal distance from previous prime (38661333374669) and next prime (38661333374707).

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

It is a congruent number.

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, 11844769623 + ... + 11844772886.

It is an arithmetic number, because the mean of its divisors is an integer number (2238661767195).

Almost surely, 2^{38661333374688} is an apocalyptic number.

It is an amenable number.

38661333374688 is an abundant number, since it is smaller than the sum of its proper divisors (68794431450672).

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

38661333374688 is a wasteful number, since it uses less digits than its factorization.

38661333374688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23689542539 (or 23689542531 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 69.

The spelling of 38661333374688 in words is "thirty-eight trillion, six hundred sixty-one billion, three hundred thirty-three million, three hundred seventy-four thousand, six hundred eighty-eight".