99960606999 has 36 divisors (see below), whose sum is σ = 162996412488. Its totient is φ = 58944805920.

The previous prime is 99960606971. The next prime is 99960607009.

99960606999 is a `hidden beast` number, since 9 + 9 + 9 + 6 + 0 + 606 + 9 + 9 + 9 = 666.

99960606999 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99960606999 - 2¹³ = 99960598807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99960606929) 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 35 ways as a sum of consecutive naturals, for example, 1200129 + ... + 1280714.

Almost surely, 2^99960606999 is an apocalyptic number.

99960606999 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99960606999 is a deficient number, since it is larger than the sum of its proper divisors (63035805489).

99960606999 is a wasteful number, since it uses less digits than its factorization.

99960606999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480908 (or 2480894 counting only the distinct ones).

The product of its (nonzero) digits is 114791256, while the sum is 72.

The spelling of 99960606999 in words is "ninety-nine billion, nine hundred sixty million, six hundred six thousand, nine hundred ninety-nine".