38168516 has 12 divisors (see below), whose sum is σ = 67927440. Its totient is φ = 18760680.

The previous prime is 38168513. The next prime is 38168527. The reversal of 38168516 is 61586183.

It is a happy number.

It is a super-2 number, since 2×38168516² = 2913671227284512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38168516.

It is not an unprimeable number, because it can be changed into a prime (38168513) 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, 80630 + ... + 81101.

It is an arithmetic number, because the mean of its divisors is an integer number (5660620).

Almost surely, 2^38168516 is an apocalyptic number.

It is an amenable number.

38168516 is a deficient number, since it is larger than the sum of its proper divisors (29758924).

38168516 is a wasteful number, since it uses less digits than its factorization.

38168516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161794 (or 161792 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 38168516 is about 6178.0673353404. The cubic root of 38168516 is about 336.6937786006.

The spelling of 38168516 in words is "thirty-eight million, one hundred sixty-eight thousand, five hundred sixteen".