18252168297 has 8 divisors (see below), whose sum is σ = 26548608480. Its totient is φ = 11061920160.

The previous prime is 18252168287. The next prime is 18252168323. The reversal of 18252168297 is 79286125281.

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

It is not a de Polignac number, because 18252168297 - 2²² = 18247973993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18252168217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276547972 + ... + 276548037.

It is an arithmetic number, because the mean of its divisors is an integer number (3318576060).

Almost surely, 2^18252168297 is an apocalyptic number.

It is an amenable number.

18252168297 is a deficient number, since it is larger than the sum of its proper divisors (8296440183).

18252168297 is a wasteful number, since it uses less digits than its factorization.

18252168297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553096023.

The product of its digits is 967680, while the sum is 51.

The spelling of 18252168297 in words is "eighteen billion, two hundred fifty-two million, one hundred sixty-eight thousand, two hundred ninety-seven".