16374393807 has 4 divisors (see below), whose sum is σ = 21832525080. Its totient is φ = 10916262536.

The previous prime is 16374393773. The next prime is 16374393821. The reversal of 16374393807 is 70839347361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16374393807 - 2⁸ = 16374393551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16374393807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16374393877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729065632 + ... + 2729065637.

It is an arithmetic number, because the mean of its divisors is an integer number (5458131270).

Almost surely, 2^16374393807 is an apocalyptic number.

16374393807 is a deficient number, since it is larger than the sum of its proper divisors (5458131273).

16374393807 is an equidigital number, since it uses as much as digits as its factorization.

16374393807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458131272.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 16374393807 in words is "sixteen billion, three hundred seventy-four million, three hundred ninety-three thousand, eight hundred seven".