18296638355 has 8 divisors (see below), whose sum is σ = 22069728672. Its totient is φ = 14561468928.

The previous prime is 18296638333. The next prime is 18296638357. The reversal of 18296638355 is 55383669281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18296638355 - 2⁶ = 18296638291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18296638355.

It is not an unprimeable number, because it can be changed into a prime (18296638357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9479159 + ... + 9481088.

It is an arithmetic number, because the mean of its divisors is an integer number (2758716084).

Almost surely, 2^18296638355 is an apocalyptic number.

18296638355 is a deficient number, since it is larger than the sum of its proper divisors (3773090317).

18296638355 is a wasteful number, since it uses less digits than its factorization.

18296638355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960445.

The product of its digits is 9331200, while the sum is 56.

The spelling of 18296638355 in words is "eighteen billion, two hundred ninety-six million, six hundred thirty-eight thousand, three hundred fifty-five".