16604674113 has 4 divisors (see below), whose sum is σ = 22139565488. Its totient is φ = 11069782740.

The previous prime is 16604674087. The next prime is 16604674117. The reversal of 16604674113 is 31147640661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31147640661 = 3 ⋅10382546887.

It is not a de Polignac number, because 16604674113 - 2⁵ = 16604674081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16604674117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767445683 + ... + 2767445688.

It is an arithmetic number, because the mean of its divisors is an integer number (5534891372).

Almost surely, 2^16604674113 is an apocalyptic number.

It is an amenable number.

16604674113 is a deficient number, since it is larger than the sum of its proper divisors (5534891375).

16604674113 is an equidigital number, since it uses as much as digits as its factorization.

16604674113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534891374.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 16604674113 in words is "sixteen billion, six hundred four million, six hundred seventy-four thousand, one hundred thirteen".