16394799174 has 36 divisors (see below), whose sum is σ = 35514728748. Its totient is φ = 5043299040.

The previous prime is 16394799151. The next prime is 16394799199. The reversal of 16394799174 is 47199749361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4075284 + ... + 4079304.

It is an arithmetic number, because the mean of its divisors is an integer number (986520243).

Almost surely, 2^16394799174 is an apocalyptic number.

16394799174 is an abundant number, since it is smaller than the sum of its proper divisors (19119929574).

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

16394799174 is an frugal number, since it uses more digits than its factorization.

16394799174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073 (or 4039 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 60.

The spelling of 16394799174 in words is "sixteen billion, three hundred ninety-four million, seven hundred ninety-nine thousand, one hundred seventy-four".