16231982 has 16 divisors (see below), whose sum is σ = 26862192. Its totient is φ = 7308480.

The previous prime is 16231981. The next prime is 16231987. The reversal of 16231982 is 28913261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6548 + ... + 8679.

It is an arithmetic number, because the mean of its divisors is an integer number (1678887).

Almost surely, 2^16231982 is an apocalyptic number.

16231982 is a deficient number, since it is larger than the sum of its proper divisors (10630210).

16231982 is a wasteful number, since it uses less digits than its factorization.

16231982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15283.

The product of its digits is 5184, while the sum is 32.

The square root of 16231982 is about 4028.8933964552. The cubic root of 16231982 is about 253.1962004044.

The spelling of 16231982 in words is "sixteen million, two hundred thirty-one thousand, nine hundred eighty-two".