16920337 has 12 divisors (see below), whose sum is σ = 19845120. Its totient is φ = 14383656.

The previous prime is 16920313. The next prime is 16920347. The reversal of 16920337 is 73302961.

It is not a de Polignac number, because 16920337 - 2¹⁵ = 16887569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16920299 and 16920308.

It is not an unprimeable number, because it can be changed into a prime (16920347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4864 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (1653760).

Almost surely, 2^16920337 is an apocalyptic number.

It is an amenable number.

16920337 is a deficient number, since it is larger than the sum of its proper divisors (2924783).

16920337 is a wasteful number, since it uses less digits than its factorization.

16920337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 16920337 is about 4113.4337237884. The cubic root of 16920337 is about 256.7258908329.

The spelling of 16920337 in words is "sixteen million, nine hundred twenty thousand, three hundred thirty-seven".