99308918128996 has 81 divisors (see below), whose sum is σ = 189982789688601. Its totient is φ = 45413938186848.

The previous prime is 99308918128993. The next prime is 99308918129009. The reversal of 99308918128996 is 69982181980399.

The square root of 99308918128996 is 9965386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52075187746596 + 47233730382400 = 7216314^2 + 6872680^2 .

It is a super-2 number, since 2×99308918128996² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99308918128993) 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 26 ways as a sum of consecutive naturals, for example, 10981850851 + ... + 10981859893.

Almost surely, 2^{99308918128996} is an apocalyptic number.

99308918128996 is the 9965386-th square number.

It is an amenable number.

99308918128996 is a deficient number, since it is larger than the sum of its proper divisors (90673871559605).

99308918128996 is an frugal number, since it uses more digits than its factorization.

99308918128996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186 (or 9093 counting only the distinct ones).

The product of its (nonzero) digits is 1088391168, while the sum is 82.

The spelling of 99308918128996 in words is "ninety-nine trillion, three hundred eight billion, nine hundred eighteen million, one hundred twenty-eight thousand, nine hundred ninety-six".