16649692 has 6 divisors (see below), whose sum is σ = 29136968. Its totient is φ = 8324844.

The previous prime is 16649687. The next prime is 16649753. The reversal of 16649692 is 29694661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081208 + ... + 2081215.

Almost surely, 2^16649692 is an apocalyptic number.

It is an amenable number.

16649692 is a deficient number, since it is larger than the sum of its proper divisors (12487276).

16649692 is a wasteful number, since it uses less digits than its factorization.

16649692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162427 (or 4162425 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 16649692 is about 4080.4034114288. The cubic root of 16649692 is about 255.3497290261.

The spelling of 16649692 in words is "sixteen million, six hundred forty-nine thousand, six hundred ninety-two".