16138896 has 20 divisors (see below), whose sum is σ = 41692272. Its totient is φ = 5379616.

The previous prime is 16138861. The next prime is 16138897. The reversal of 16138896 is 69883161.

It is not an unprimeable number, because it can be changed into a prime (16138897) 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, 168066 + ... + 168161.

Almost surely, 2^16138896 is an apocalyptic number.

16138896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16138896 is an abundant number, since it is smaller than the sum of its proper divisors (25553376).

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

16138896 is a wasteful number, since it uses less digits than its factorization.

16138896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336238 (or 336232 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 16138896 is about 4017.3244827870. The cubic root of 16138896 is about 252.7112684641.

The spelling of 16138896 in words is "sixteen million, one hundred thirty-eight thousand, eight hundred ninety-six".