16890707420 has 12 divisors (see below), whose sum is σ = 35470485624. Its totient is φ = 6756282960.

The previous prime is 16890707401. The next prime is 16890707447. The reversal of 16890707420 is 2470709861.

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 3 ways as a sum of consecutive naturals, for example, 422267666 + ... + 422267705.

It is an arithmetic number, because the mean of its divisors is an integer number (2955873802).

Almost surely, 2^16890707420 is an apocalyptic number.

16890707420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16890707420 is an abundant number, since it is smaller than the sum of its proper divisors (18579778204).

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

16890707420 is a wasteful number, since it uses less digits than its factorization.

16890707420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844535380 (or 844535378 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 16890707420 in words is "sixteen billion, eight hundred ninety million, seven hundred seven thousand, four hundred twenty".