99999996633 has 32 divisors (see below), whose sum is σ = 153953664000. Its totient is φ = 64083052800.

The previous prime is 99999996619. The next prime is 99999996637. The reversal of 99999996633 is 33669999999.

It is not a de Polignac number, because 99999996633 - 2⁸ = 99999996377 is a prime.

It is a super-2 number, since 2×99999996633² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99999996637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276208 + ... + 525633.

It is an arithmetic number, because the mean of its divisors is an integer number (4811052000).

Almost surely, 2^99999996633 is an apocalyptic number.

99999996633 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

99999996633 is a deficient number, since it is larger than the sum of its proper divisors (53953667367).

99999996633 is a wasteful number, since it uses less digits than its factorization.

99999996633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802030 (or 802024 counting only the distinct ones).

The product of its digits is 1549681956, while the sum is 81.

It can be divided in two parts, 999999966 and 33, that added together give a palindrome (999999999).

The spelling of 99999996633 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, six hundred thirty-three".