16694926607 has 4 divisors (see below), whose sum is σ = 16702507080. Its totient is φ = 16687346136.

The previous prime is 16694926583. The next prime is 16694926609. The reversal of 16694926607 is 70662949661.

It is a happy number.

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 16694926607 - 2²⁰ = 16693878031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16694926609) 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, 3786932 + ... + 3791337.

It is an arithmetic number, because the mean of its divisors is an integer number (4175626770).

Almost surely, 2^16694926607 is an apocalyptic number.

16694926607 is a deficient number, since it is larger than the sum of its proper divisors (7580473).

16694926607 is an equidigital number, since it uses as much as digits as its factorization.

16694926607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580472.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 16694926607 in words is "sixteen billion, six hundred ninety-four million, nine hundred twenty-six thousand, six hundred seven".