38605719816 has 48 divisors (see below), whose sum is σ = 104848473600. Its totient is φ = 12832719072.

The previous prime is 38605719809. The next prime is 38605719839. The reversal of 38605719816 is 61891750683.

38605719816 is a `hidden beast` number, since 3 + 8 + 60 + 571 + 9 + 8 + 1 + 6 = 666.

It is a super-2 number, since 2×38605719816² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720936 + ... + 772631.

It is an arithmetic number, because the mean of its divisors is an integer number (2184343200).

Almost surely, 2^38605719816 is an apocalyptic number.

38605719816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38605719816 is an abundant number, since it is smaller than the sum of its proper divisors (66242753784).

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

38605719816 is a wasteful number, since it uses less digits than its factorization.

38605719816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493938 (or 1493931 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 38605719816 in words is "thirty-eight billion, six hundred five million, seven hundred nineteen thousand, eight hundred sixteen".