16718982 has 32 divisors (see below), whose sum is σ = 39450624. Its totient is φ = 4622400.

The previous prime is 16718963. The next prime is 16718983. The reversal of 16718982 is 28981761.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16718983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5119 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (1232832).

Almost surely, 2^16718982 is an apocalyptic number.

16718982 is an abundant number, since it is smaller than the sum of its proper divisors (22731642).

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

16718982 is a wasteful number, since it uses less digits than its factorization.

16718982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884.

The product of its digits is 48384, while the sum is 42.

The square root of 16718982 is about 4088.8851781384. The cubic root of 16718982 is about 255.7034631994.

The spelling of 16718982 in words is "sixteen million, seven hundred eighteen thousand, nine hundred eighty-two".