16168872 has 32 divisors (see below), whose sum is σ = 40521600. Its totient is φ = 5376384.

The previous prime is 16168871. The next prime is 16168913. The reversal of 16168872 is 27886161.

It is a super-2 number, since 2×16168872² = 522864843504768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16168872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16168871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16788 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (1266300).

Almost surely, 2^16168872 is an apocalyptic number.

16168872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16168872 is an abundant number, since it is smaller than the sum of its proper divisors (24352728).

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

16168872 is a wasteful number, since it uses less digits than its factorization.

16168872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1661 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 16168872 is about 4021.0535932763. The cubic root of 16168872 is about 252.8676316538.

The spelling of 16168872 in words is "sixteen million, one hundred sixty-eight thousand, eight hundred seventy-two".