16139682 has 64 divisors (see below), whose sum is σ = 39231360. Its totient is φ = 4888512.

The previous prime is 16139671. The next prime is 16139713. The reversal of 16139682 is 28693161.

16139682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16139682² = 520978670122248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58128 + ... + 58404.

It is an arithmetic number, because the mean of its divisors is an integer number (612990).

Almost surely, 2^16139682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16139682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19615680).

16139682 is an abundant number, since it is smaller than the sum of its proper divisors (23091678).

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

16139682 is a wasteful number, since it uses less digits than its factorization.

16139682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 378 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16139682 is about 4017.4223078984. The cubic root of 16139682 is about 252.7153709304.

The spelling of 16139682 in words is "sixteen million, one hundred thirty-nine thousand, six hundred eighty-two".