16123992 has 48 divisors (see below), whose sum is σ = 41217240. Its totient is φ = 5256192.

The previous prime is 16123969. The next prime is 16123993. The reversal of 16123992 is 29932161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16123993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83448 + ... + 83640.

Almost surely, 2^16123992 is an apocalyptic number.

16123992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16123992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20608620).

16123992 is an abundant number, since it is smaller than the sum of its proper divisors (25093248).

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

16123992 is a wasteful number, since it uses less digits than its factorization.

16123992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 257 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 16123992 is about 4015.4690884130. The cubic root of 16123992 is about 252.6334529649.

The spelling of 16123992 in words is "sixteen million, one hundred twenty-three thousand, nine hundred ninety-two".