16168873 has 6 divisors (see below), whose sum is σ = 18808746. Its totient is φ = 13858992.

The previous prime is 16168871. The next prime is 16168913. The reversal of 16168873 is 37886161.

It can be written as a sum of positive squares in only one way, i.e., 15586704 + 582169 = 3948^2 + 763^2 .

It is not a de Polignac number, because 16168873 - 2¹ = 16168871 is a prime.

It is a super-2 number, since 2×16168873² = 522864908180258, which contains 22 as substring.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 164940 + ... + 165037.

It is an arithmetic number, because the mean of its divisors is an integer number (3134791).

Almost surely, 2^16168873 is an apocalyptic number.

It is an amenable number.

16168873 is a deficient number, since it is larger than the sum of its proper divisors (2639873).

16168873 is an equidigital number, since it uses as much as digits as its factorization.

16168873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329991 (or 329984 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 16168873 is about 4021.0537176218. The cubic root of 16168873 is about 252.8676368669.

The spelling of 16168873 in words is "sixteen million, one hundred sixty-eight thousand, eight hundred seventy-three".