16890654 has 16 divisors (see below), whose sum is σ = 36852480. Its totient is φ = 5118360.

The previous prime is 16890637. The next prime is 16890659. The reversal of 16890654 is 45609861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890659) 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, 127894 + ... + 128025.

It is an arithmetic number, because the mean of its divisors is an integer number (2303280).

Almost surely, 2^16890654 is an apocalyptic number.

16890654 is an abundant number, since it is smaller than the sum of its proper divisors (19961826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16890654 is a wasteful number, since it uses less digits than its factorization.

16890654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255935.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 16890654 is about 4109.8240838265. The cubic root of 16890654 is about 256.5756799739.

The spelling of 16890654 in words is "sixteen million, eight hundred ninety thousand, six hundred fifty-four".