16498166625 has 96 divisors (see below), whose sum is σ = 30239718912. Its totient is φ = 8652700800.

The previous prime is 16498166623. The next prime is 16498166627. The reversal of 16498166625 is 52666189461.

It is an interprime number because it is at equal distance from previous prime (16498166623) and next prime (16498166627).

It is not a de Polignac number, because 16498166625 - 2¹ = 16498166623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16498166623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20045964 + ... + 20046786.

It is an arithmetic number, because the mean of its divisors is an integer number (314997072).

Almost surely, 2^16498166625 is an apocalyptic number.

16498166625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16498166625 is a deficient number, since it is larger than the sum of its proper divisors (13741552287).

16498166625 is a wasteful number, since it uses less digits than its factorization.

16498166625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1107 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 16498166625 in words is "sixteen billion, four hundred ninety-eight million, one hundred sixty-six thousand, six hundred twenty-five".