16579000081 has 8 divisors (see below), whose sum is σ = 18948250304. Its totient is φ = 14209955280.

The previous prime is 16579000073. The next prime is 16579000103. The reversal of 16579000081 is 18000097561.

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 16579000081 - 2³ = 16579000073 is a prime.

It is a super-2 number, since 2×16579000081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16579000081.

It is not an unprimeable number, because it can be changed into a prime (16579000481) 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, 210871 + ... + 278611.

It is an arithmetic number, because the mean of its divisors is an integer number (2368531288).

Almost surely, 2^16579000081 is an apocalyptic number.

It is an amenable number.

16579000081 is a deficient number, since it is larger than the sum of its proper divisors (2369250223).

16579000081 is an equidigital number, since it uses as much as digits as its factorization.

16579000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102711.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 16579000081 in words is "sixteen billion, five hundred seventy-nine million, eighty-one", and thus it is an aban number.