16161873 has 32 divisors (see below), whose sum is σ = 27046656. Its totient is φ = 8356608.

The previous prime is 16161869. The next prime is 16161907. The reversal of 16161873 is 37816161.

It is not a de Polignac number, because 16161873 - 2² = 16161869 is a prime.

It is a super-2 number, since 2×16161873² = 522412277736258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16161823) 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 31 ways as a sum of consecutive naturals, for example, 13911 + ... + 15027.

It is an arithmetic number, because the mean of its divisors is an integer number (845208).

Almost surely, 2^16161873 is an apocalyptic number.

16161873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16161873 is a deficient number, since it is larger than the sum of its proper divisors (10884783).

16161873 is a wasteful number, since it uses less digits than its factorization.

16161873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 6048, while the sum is 33.

The square root of 16161873 is about 4020.1832047806. The cubic root of 16161873 is about 252.8311402197.

The spelling of 16161873 in words is "sixteen million, one hundred sixty-one thousand, eight hundred seventy-three".