16890612814 has 4 divisors (see below), whose sum is σ = 25335919224. Its totient is φ = 8445306406.

The previous prime is 16890612779. The next prime is 16890612839. The reversal of 16890612814 is 41821609861.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222653202 + ... + 4222653205.

It is an arithmetic number, because the mean of its divisors is an integer number (6333979806).

Almost surely, 2^16890612814 is an apocalyptic number.

16890612814 is a deficient number, since it is larger than the sum of its proper divisors (8445306410).

16890612814 is an equidigital number, since it uses as much as digits as its factorization.

16890612814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445306409.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 16890612814 in words is "sixteen billion, eight hundred ninety million, six hundred twelve thousand, eight hundred fourteen".