16598209006081 has 4 divisors (see below), whose sum is σ = 16728903565312. Its totient is φ = 16467514446852.

The previous prime is 16598209006021. The next prime is 16598209006087. The reversal of 16598209006081 is 18060090289561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16598209006081 - 2⁹ = 16598209005569 is a prime.

It is a super-2 number, since 2×16598209006081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16598209006087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65347279425 + ... + 65347279678.

It is an arithmetic number, because the mean of its divisors is an integer number (4182225891328).

Almost surely, 2^{16598209006081} is an apocalyptic number.

It is an amenable number.

16598209006081 is a deficient number, since it is larger than the sum of its proper divisors (130694559231).

16598209006081 is a wasteful number, since it uses less digits than its factorization.

16598209006081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130694559230.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 16598209006081 in words is "sixteen trillion, five hundred ninety-eight billion, two hundred nine million, six thousand, eighty-one".