18095901 has 8 divisors (see below), whose sum is σ = 24290400. Its totient is φ = 11982672.

The previous prime is 18095887. The next prime is 18095911. The reversal of 18095901 is 10959081.

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

It is not a de Polignac number, because 18095901 - 2¹⁷ = 17964829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18095911) 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, 19795 + ... + 20688.

It is an arithmetic number, because the mean of its divisors is an integer number (3036300).

Almost surely, 2^18095901 is an apocalyptic number.

It is an amenable number.

18095901 is a deficient number, since it is larger than the sum of its proper divisors (6194499).

18095901 is a wasteful number, since it uses less digits than its factorization.

18095901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40635.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 18095901 is about 4253.9277144775. The cubic root of 18095901 is about 262.5387443945.

The spelling of 18095901 in words is "eighteen million, ninety-five thousand, nine hundred one".