18132071579 has 8 divisors (see below), whose sum is σ = 18591648768. Its totient is φ = 17675569000.

The previous prime is 18132071567. The next prime is 18132071603. The reversal of 18132071579 is 97517023181.

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

It is a cyclic number.

It is not a de Polignac number, because 18132071579 - 2⁸ = 18132071323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18132071539) 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, 756707 + ... + 780300.

It is an arithmetic number, because the mean of its divisors is an integer number (2323956096).

Almost surely, 2^18132071579 is an apocalyptic number.

18132071579 is a deficient number, since it is larger than the sum of its proper divisors (459577189).

18132071579 is a wasteful number, since it uses less digits than its factorization.

18132071579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537305.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 18132071579 in words is "eighteen billion, one hundred thirty-two million, seventy-one thousand, five hundred seventy-nine".