16890763 has 4 divisors (see below), whose sum is σ = 17625168. Its totient is φ = 16156360.

The previous prime is 16890737. The next prime is 16890773. The reversal of 16890763 is 36709861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36709861 = 61 ⋅601801.

It is a cyclic number.

It is not a de Polignac number, because 16890763 - 2¹³ = 16882571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16890773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367168 + ... + 367213.

It is an arithmetic number, because the mean of its divisors is an integer number (4406292).

Almost surely, 2^16890763 is an apocalyptic number.

16890763 is a deficient number, since it is larger than the sum of its proper divisors (734405).

16890763 is an equidigital number, since it uses as much as digits as its factorization.

16890763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734404.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16890763 is about 4109.8373447133. The cubic root of 16890763 is about 256.5762318903.

The spelling of 16890763 in words is "sixteen million, eight hundred ninety thousand, seven hundred sixty-three".