18416796407 has 4 divisors (see below), whose sum is σ = 18423488880. Its totient is φ = 18410103936.

The previous prime is 18416796383. The next prime is 18416796467. The reversal of 18416796407 is 70469761481.

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 18416796407 - 2³⁰ = 17343054583 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 (18416796467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342107 + ... + 3347612.

It is an arithmetic number, because the mean of its divisors is an integer number (4605872220).

Almost surely, 2^18416796407 is an apocalyptic number.

18416796407 is a deficient number, since it is larger than the sum of its proper divisors (6692473).

18416796407 is an equidigital number, since it uses as much as digits as its factorization.

18416796407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692472.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 18416796407 in words is "eighteen billion, four hundred sixteen million, seven hundred ninety-six thousand, four hundred seven".