16923149 has 8 divisors (see below), whose sum is σ = 17397120. Its totient is φ = 16461468.

The previous prime is 16923139. The next prime is 16923161. The reversal of 16923149 is 94132961.

It is not a de Polignac number, because 16923149 - 2⁴ = 16923133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16923139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103742 + ... + 103904.

It is an arithmetic number, because the mean of its divisors is an integer number (2174640).

Almost surely, 2^16923149 is an apocalyptic number.

It is an amenable number.

16923149 is a deficient number, since it is larger than the sum of its proper divisors (473971).

16923149 is an frugal number, since it uses more digits than its factorization.

16923149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 210 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 16923149 is about 4113.7755164812. The cubic root of 16923149 is about 256.7401118502.

The spelling of 16923149 in words is "sixteen million, nine hundred twenty-three thousand, one hundred forty-nine".