16156144 has 20 divisors (see below), whose sum is σ = 31598424. Its totient is φ = 8001728.

The previous prime is 16156093. The next prime is 16156157. The reversal of 16156144 is 44165161.

It is a super-2 number, since 2×16156144² = 522041977897472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007 + ... + 6430.

Almost surely, 2^16156144 is an apocalyptic number.

It is an amenable number.

16156144 is a deficient number, since it is larger than the sum of its proper divisors (15442280).

16156144 is a wasteful number, since it uses less digits than its factorization.

16156144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552 (or 9546 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 16156144 is about 4019.4706119090. The cubic root of 16156144 is about 252.8012624783.

The spelling of 16156144 in words is "sixteen million, one hundred fifty-six thousand, one hundred forty-four".