16653913 has 8 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 15722400.

The previous prime is 16653893. The next prime is 16653919. The reversal of 16653913 is 31935661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16653913 - 2¹⁷ = 16522841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16653919) 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, 5281 + ... + 7822.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^16653913 is an apocalyptic number.

It is an amenable number.

16653913 is a deficient number, since it is larger than the sum of its proper divisors (957863).

16653913 is a wasteful number, since it uses less digits than its factorization.

16653913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175.

The product of its digits is 14580, while the sum is 34.

The square root of 16653913 is about 4080.9206069219. The cubic root of 16653913 is about 255.3713058044.

The spelling of 16653913 in words is "sixteen million, six hundred fifty-three thousand, nine hundred thirteen".