16108938 has 24 divisors (see below), whose sum is σ = 35091108. Its totient is φ = 5340672.

The previous prime is 16108919. The next prime is 16108943. The reversal of 16108938 is 83980161.

16108938 is a `hidden beast` number, since 1 + 610 + 8 + 9 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15000129 + 1108809 = 3873^2 + 1053^2 .

It is a Curzon number.

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, 1156 + ... + 5792.

Almost surely, 2^16108938 is an apocalyptic number.

16108938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16108938 is an abundant number, since it is smaller than the sum of its proper divisors (18982170).

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

16108938 is a wasteful number, since it uses less digits than its factorization.

16108938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 16108938 is about 4013.5941498861. The cubic root of 16108938 is about 252.5548056050.

The spelling of 16108938 in words is "sixteen million, one hundred eight thousand, nine hundred thirty-eight".