16461845994 has 48 divisors (see below), whose sum is σ = 38317636224. Its totient is φ = 4694997120.

The previous prime is 16461845923. The next prime is 16461846013. The reversal of 16461845994 is 49954816461.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654562 + ... + 679245.

It is an arithmetic number, because the mean of its divisors is an integer number (798284088).

Almost surely, 2^16461845994 is an apocalyptic number.

16461845994 is an abundant number, since it is smaller than the sum of its proper divisors (21855790230).

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

16461845994 is a wasteful number, since it uses less digits than its factorization.

16461845994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333851 (or 1333840 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The spelling of 16461845994 in words is "sixteen billion, four hundred sixty-one million, eight hundred forty-five thousand, nine hundred ninety-four".