16159956 has 24 divisors (see below), whose sum is σ = 39691680. Its totient is φ = 5103072.

The previous prime is 16159951. The next prime is 16159973. The reversal of 16159956 is 65995161.

It is a super-2 number, since 2×16159956² = 522288355843872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16159951) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35211 + ... + 35666.

It is an arithmetic number, because the mean of its divisors is an integer number (1653820).

Almost surely, 2^16159956 is an apocalyptic number.

It is an amenable number.

16159956 is an abundant number, since it is smaller than the sum of its proper divisors (23531724).

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

16159956 is a wasteful number, since it uses less digits than its factorization.

16159956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70903 (or 70901 counting only the distinct ones).

The product of its digits is 72900, while the sum is 42.

The square root of 16159956 is about 4019.9447757401. The cubic root of 16159956 is about 252.8211435141.

The spelling of 16159956 in words is "sixteen million, one hundred fifty-nine thousand, nine hundred fifty-six".