18090672901 has 32 divisors (see below), whose sum is σ = 22135543040. Its totient is φ = 14440218624.

The previous prime is 18090672877. The next prime is 18090672907. The reversal of 18090672901 is 10927609081.

It is a cyclic number.

It is not a de Polignac number, because 18090672901 - 2⁵ = 18090672869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18090672907) 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, 3035941 + ... + 3041893.

It is an arithmetic number, because the mean of its divisors is an integer number (691735720).

Almost surely, 2^18090672901 is an apocalyptic number.

It is an amenable number.

18090672901 is a deficient number, since it is larger than the sum of its proper divisors (4044870139).

18090672901 is a wasteful number, since it uses less digits than its factorization.

18090672901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 18090672901 in words is "eighteen billion, ninety million, six hundred seventy-two thousand, nine hundred one".