16351982 has 4 divisors (see below), whose sum is σ = 24527976. Its totient is φ = 8175990.

The previous prime is 16351981. The next prime is 16351987. The reversal of 16351982 is 28915361.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16351981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4087994 + ... + 4087997.

It is an arithmetic number, because the mean of its divisors is an integer number (6131994).

Almost surely, 2^16351982 is an apocalyptic number.

16351982 is a deficient number, since it is larger than the sum of its proper divisors (8175994).

16351982 is an equidigital number, since it uses as much as digits as its factorization.

16351982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8175993.

The product of its digits is 12960, while the sum is 35.

The square root of 16351982 is about 4043.7584003004. The cubic root of 16351982 is about 253.8186131361.

The spelling of 16351982 in words is "sixteen million, three hundred fifty-one thousand, nine hundred eighty-two".