38437170916 has 27 divisors (see below), whose sum is σ = 68428413417. Its totient is φ = 18891763440.

The previous prime is 38437170911. The next prime is 38437170953. The reversal of 38437170916 is 61907173483.

The square root of 38437170916 is 196054.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1249905316 + 37187265600 = 35354^2 + 192840^2 .

It is a super-2 number, since 2×38437170916² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38437170916.

It is not an unprimeable number, because it can be changed into a prime (38437170911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23917785 + ... + 23919391.

Almost surely, 2^38437170916 is an apocalyptic number.

38437170916 is the 196054-th square number.

It is an amenable number.

38437170916 is a deficient number, since it is larger than the sum of its proper divisors (29991242501).

38437170916 is an frugal number, since it uses more digits than its factorization.

38437170916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

Multiplying 38437170916 by its sum of digits (49), we get a square (1883421374884 = 1372378²).

The spelling of 38437170916 in words is "thirty-eight billion, four hundred thirty-seven million, one hundred seventy thousand, nine hundred sixteen".