38166416552879 has 4 divisors (see below), whose sum is σ = 40175175318840. Its totient is φ = 36157657786920.

The previous prime is 38166416552867. The next prime is 38166416552933. The reversal of 38166416552879 is 97825561466183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38166416552879 is a prime.

It is a super-2 number, since 2×38166416552879² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38166416557879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004379382952 + ... + 1004379382989.

It is an arithmetic number, because the mean of its divisors is an integer number (10043793829710).

Almost surely, 2^{38166416552879} is an apocalyptic number.

38166416552879 is a deficient number, since it is larger than the sum of its proper divisors (2008758765961).

38166416552879 is a wasteful number, since it uses less digits than its factorization.

38166416552879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008758765960.

The product of its digits is 522547200, while the sum is 71.

The spelling of 38166416552879 in words is "thirty-eight trillion, one hundred sixty-six billion, four hundred sixteen million, five hundred fifty-two thousand, eight hundred seventy-nine".