18223364601 has 24 divisors (see below), whose sum is σ = 29261895936. Its totient is φ = 10852621920.

The previous prime is 18223364581. The next prime is 18223364603. The reversal of 18223364601 is 10646332281.

18223364601 is a `hidden beast` number, since 1 + 8 + 2 + 2 + 3 + 3 + 646 + 0 + 1 = 666.

It is not a de Polignac number, because 18223364601 - 2²⁹ = 17686493689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18223364603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2508555 + ... + 2515808.

It is an arithmetic number, because the mean of its divisors is an integer number (1219245664).

Almost surely, 2^18223364601 is an apocalyptic number.

It is an amenable number.

18223364601 is a deficient number, since it is larger than the sum of its proper divisors (11038531335).

18223364601 is a wasteful number, since it uses less digits than its factorization.

18223364601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024413 (or 5024410 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 18223364601 its reverse (10646332281), we get a palindrome (28869696882).

The spelling of 18223364601 in words is "eighteen billion, two hundred twenty-three million, three hundred sixty-four thousand, six hundred one".