16890141664 has 24 divisors (see below), whose sum is σ = 36275418648. Its totient is φ = 7677336960.

The previous prime is 16890141661. The next prime is 16890141677. The reversal of 16890141664 is 46614109861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890141661) 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, 23991327 + ... + 23992030.

It is an arithmetic number, because the mean of its divisors is an integer number (1511475777).

Almost surely, 2^16890141664 is an apocalyptic number.

It is an amenable number.

16890141664 is an abundant number, since it is smaller than the sum of its proper divisors (19385276984).

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

16890141664 is a wasteful number, since it uses less digits than its factorization.

16890141664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47983378 (or 47983370 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 16890141664 in words is "sixteen billion, eight hundred ninety million, one hundred forty-one thousand, six hundred sixty-four".