18250169396 has 12 divisors (see below), whose sum is σ = 32414480448. Its totient is φ = 8988889272.

The previous prime is 18250169381. The next prime is 18250169453. The reversal of 18250169396 is 69396105281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34048556 + ... + 34049091.

It is an arithmetic number, because the mean of its divisors is an integer number (2701206704).

Almost surely, 2^18250169396 is an apocalyptic number.

It is an amenable number.

18250169396 is a deficient number, since it is larger than the sum of its proper divisors (14164311052).

18250169396 is a wasteful number, since it uses less digits than its factorization.

18250169396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68097718 (or 68097716 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 18250169396 in words is "eighteen billion, two hundred fifty million, one hundred sixty-nine thousand, three hundred ninety-six".