16890513 has 8 divisors (see below), whose sum is σ = 22753248. Its totient is φ = 11144064.

The previous prime is 16890493. The next prime is 16890527. The reversal of 16890513 is 31509861.

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

It is not a de Polignac number, because 16890513 - 2⁵ = 16890481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16890413) 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, 28731 + ... + 29312.

It is an arithmetic number, because the mean of its divisors is an integer number (2844156).

Almost surely, 2^16890513 is an apocalyptic number.

It is an amenable number.

16890513 is a deficient number, since it is larger than the sum of its proper divisors (5862735).

16890513 is an equidigital number, since it uses as much as digits as its factorization.

16890513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58143.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 16890513 is about 4109.8069297718. The cubic root of 16890513 is about 256.5749660234.

The spelling of 16890513 in words is "sixteen million, eight hundred ninety thousand, five hundred thirteen".