99996659 has 8 divisors (see below), whose sum is σ = 114392160. Its totient is φ = 85628736.

The previous prime is 99996653. The next prime is 99996667. The reversal of 99996659 is 95669999.

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 99996659 - 2²⁴ = 83219443 is a prime.

It is a super-2 number, since 2×99996659² = 19998663622324562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99996653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (14299020).

Almost surely, 2^99996659 is an apocalyptic number.

99996659 is a deficient number, since it is larger than the sum of its proper divisors (14395501).

99996659 is a wasteful number, since it uses less digits than its factorization.

99996659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13789.

The product of its digits is 10628820, while the sum is 62.

The square root of 99996659 is about 9999.8329486047. The cubic root of 99996659 is about 464.1537141209.

The spelling of 99996659 in words is "ninety-nine million, nine hundred ninety-six thousand, six hundred fifty-nine".