18265145496 has 48 divisors (see below), whose sum is σ = 49445597160. Its totient is φ = 5620043520.

The previous prime is 18265145489. The next prime is 18265145513. The reversal of 18265145496 is 69454156281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2247565 + ... + 2255676.

Almost surely, 2^18265145496 is an apocalyptic number.

It is an amenable number.

18265145496 is an abundant number, since it is smaller than the sum of its proper divisors (31180451664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18265145496 is a wasteful number, since it uses less digits than its factorization.

18265145496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503276 (or 4503259 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 18265145496 in words is "eighteen billion, two hundred sixty-five million, one hundred forty-five thousand, four hundred ninety-six".