18079611465 has 16 divisors (see below), whose sum is σ = 29334807936. Its totient is φ = 9506649600.

The previous prime is 18079611457. The next prime is 18079611497. The reversal of 18079611465 is 56411697081.

It is a happy number.

It is not a de Polignac number, because 18079611465 - 2³ = 18079611457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8487016 + ... + 8489145.

It is an arithmetic number, because the mean of its divisors is an integer number (1833425496).

Almost surely, 2^18079611465 is an apocalyptic number.

18079611465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18079611465 is a deficient number, since it is larger than the sum of its proper divisors (11255196471).

18079611465 is a wasteful number, since it uses less digits than its factorization.

18079611465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16976240.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 18079611465 in words is "eighteen billion, seventy-nine million, six hundred eleven thousand, four hundred sixty-five".