18095186997 has 32 divisors (see below), whose sum is σ = 28230768000. Its totient is φ = 11423617920.

The previous prime is 18095186953. The next prime is 18095187031. The reversal of 18095186997 is 79968159081.

It is not a de Polignac number, because 18095186997 - 2⁶ = 18095186933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18095187997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1461529 + ... + 1473857.

It is an arithmetic number, because the mean of its divisors is an integer number (882211500).

Almost surely, 2^18095186997 is an apocalyptic number.

It is an amenable number.

18095186997 is a deficient number, since it is larger than the sum of its proper divisors (10135581003).

18095186997 is a wasteful number, since it uses less digits than its factorization.

18095186997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15218 (or 15212 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 63.

The spelling of 18095186997 in words is "eighteen billion, ninety-five million, one hundred eighty-six thousand, nine hundred ninety-seven".