16890055294 has 24 divisors (see below), whose sum is σ = 29565634608. Its totient is φ = 7215455520.

The previous prime is 16890055289. The next prime is 16890055331. The reversal of 16890055294 is 49255009861.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244642 + ... + 305989.

It is an arithmetic number, because the mean of its divisors is an integer number (1231901442).

Almost surely, 2^16890055294 is an apocalyptic number.

16890055294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16890055294 is a deficient number, since it is larger than the sum of its proper divisors (12675579314).

16890055294 is a wasteful number, since it uses less digits than its factorization.

16890055294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550960 (or 550953 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 16890055294 in words is "sixteen billion, eight hundred ninety million, fifty-five thousand, two hundred ninety-four".