11673664997 has 16 divisors (see below), whose sum is σ = 12005148672. Its totient is φ = 11345940480.

The previous prime is 11673664991. The next prime is 11673665021. The reversal of 11673664997 is 79946637611.

It is a cyclic number.

It is not a de Polignac number, because 11673664997 - 2⁸ = 11673664741 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 (11673664991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4504172 + ... + 4506762.

It is an arithmetic number, because the mean of its divisors is an integer number (750321792).

Almost surely, 2^11673664997 is an apocalyptic number.

It is an amenable number.

11673664997 is a deficient number, since it is larger than the sum of its proper divisors (331483675).

11673664997 is a wasteful number, since it uses less digits than its factorization.

11673664997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268.

The product of its digits is 10287648, while the sum is 59.

The spelling of 11673664997 in words is "eleven billion, six hundred seventy-three million, six hundred sixty-four thousand, nine hundred ninety-seven".