16157984 has 12 divisors (see below), whose sum is σ = 31811094. Its totient is φ = 8078976.

The previous prime is 16157971. The next prime is 16157993. The reversal of 16157984 is 48975161.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 3341584 = 3580^2 + 1828^2 .

It is a super-2 number, since 2×16157984² = 522160893888512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252437 + ... + 252500.

Almost surely, 2^16157984 is an apocalyptic number.

It is an amenable number.

16157984 is a deficient number, since it is larger than the sum of its proper divisors (15653110).

16157984 is an equidigital number, since it uses as much as digits as its factorization.

16157984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504947 (or 504939 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 16157984 is about 4019.6994912555. The cubic root of 16157984 is about 252.8108591714.

The spelling of 16157984 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred eighty-four".