99518288254667 has 8 divisors (see below), whose sum is σ = 103846735809024. Its totient is φ = 95189971155048.

The previous prime is 99518288254631. The next prime is 99518288254681. The reversal of 99518288254667 is 76645288281599.

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 99518288254667 - 2²⁴ = 99518271477451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99518288254591 and 99518288254600.

It is not an unprimeable number, because it can be changed into a prime (99518288254687) 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, 31053203 + ... + 34107740.

It is an arithmetic number, because the mean of its divisors is an integer number (12980841976128).

Almost surely, 2^{99518288254667} is an apocalyptic number.

99518288254667 is a deficient number, since it is larger than the sum of its proper divisors (4328447554357).

99518288254667 is a wasteful number, since it uses less digits than its factorization.

99518288254667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65227369.

The product of its digits is 4180377600, while the sum is 80.

The spelling of 99518288254667 in words is "ninety-nine trillion, five hundred eighteen billion, two hundred eighty-eight million, two hundred fifty-four thousand, six hundred sixty-seven".