16499492 has 12 divisors (see below), whose sum is σ = 29869980. Its totient is φ = 7965216.

The previous prime is 16499489. The next prime is 16499501. The reversal of 16499492 is 29499461.

It can be written as a sum of positive squares in 2 ways, for example, as 10863616 + 5635876 = 3296^2 + 2374^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71003 + ... + 71234.

It is an arithmetic number, because the mean of its divisors is an integer number (2489165).

Almost surely, 2^16499492 is an apocalyptic number.

It is an amenable number.

16499492 is a deficient number, since it is larger than the sum of its proper divisors (13370488).

16499492 is a wasteful number, since it uses less digits than its factorization.

16499492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142270 (or 142268 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 16499492 is about 4061.9566713593. The cubic root of 16499492 is about 254.5795557745.

The spelling of 16499492 in words is "sixteen million, four hundred ninety-nine thousand, four hundred ninety-two".