16913445 has 16 divisors (see below), whose sum is σ = 27935232. Its totient is φ = 8729280.

The previous prime is 16913431. The next prime is 16913447. The reversal of 16913445 is 54431961.

It is not a de Polignac number, because 16913445 - 2⁹ = 16912933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16913447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17722 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (1745952).

Almost surely, 2^16913445 is an apocalyptic number.

16913445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16913445 is a deficient number, since it is larger than the sum of its proper divisors (11021787).

16913445 is a wasteful number, since it uses less digits than its factorization.

16913445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36412.

The product of its digits is 12960, while the sum is 33.

The square root of 16913445 is about 4112.5958955385. The cubic root of 16913445 is about 256.6910295271.

The spelling of 16913445 in words is "sixteen million, nine hundred thirteen thousand, four hundred forty-five".