16125998 has 24 divisors (see below), whose sum is σ = 28625400. Its totient is φ = 6791568.

The previous prime is 16125971. The next prime is 16126037. The reversal of 16125998 is 89952161.

It is a happy number.

It is a super-2 number, since 2×16125998² = 520095622992008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4388 + ... + 7176.

It is an arithmetic number, because the mean of its divisors is an integer number (1192725).

Almost surely, 2^16125998 is an apocalyptic number.

16125998 is a deficient number, since it is larger than the sum of its proper divisors (12499402).

16125998 is a wasteful number, since it uses less digits than its factorization.

16125998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864 (or 2857 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 16125998 is about 4015.7188646617. The cubic root of 16125998 is about 252.6439293137.

The spelling of 16125998 in words is "sixteen million, one hundred twenty-five thousand, nine hundred ninety-eight".