99669696699 has 8 divisors (see below), whose sum is σ = 133312150800. Its totient is φ = 66236853536.

The previous prime is 99669696691. The next prime is 99669696701.

99669696699 is nontrivially palindromic in base 10.

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 99669696699 - 2³ = 99669696691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99669696691) 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, 52401624 + ... + 52403525.

It is an arithmetic number, because the mean of its divisors is an integer number (16664018850).

Almost surely, 2^99669696699 is an apocalyptic number.

99669696699 is a deficient number, since it is larger than the sum of its proper divisors (33642454101).

99669696699 is a wasteful number, since it uses less digits than its factorization.

99669696699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104805469.

The product of its digits is 4132485216, while the sum is 84.

The spelling of 99669696699 in words is "ninety-nine billion, six hundred sixty-nine million, six hundred ninety-six thousand, six hundred ninety-nine".