16394775937 has 8 divisors (see below), whose sum is σ = 16876512576. Its totient is φ = 15917605872.

The previous prime is 16394775931. The next prime is 16394775989. The reversal of 16394775937 is 73957749361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16394775937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16394775931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134358 + ... + 1148719.

It is an arithmetic number, because the mean of its divisors is an integer number (2109564072).

Almost surely, 2^16394775937 is an apocalyptic number.

It is an amenable number.

16394775937 is a deficient number, since it is larger than the sum of its proper divisors (481736639).

16394775937 is a wasteful number, since it uses less digits than its factorization.

16394775937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283287.

The product of its digits is 30005640, while the sum is 61.

The spelling of 16394775937 in words is "sixteen billion, three hundred ninety-four million, seven hundred seventy-five thousand, nine hundred thirty-seven".