99000069000066 has 48 divisors (see below), whose sum is σ = 231005174520120. Its totient is φ = 30460898568960.

The previous prime is 99000068999999. The next prime is 99000069000083. The reversal of 99000069000066 is 66000096000099.

It can be written as a sum of positive squares in 4 ways, for example, as 66718592741025 + 32281476259041 = 8168145^2 + 5681679^2 .

99000069000066 is a strobogrammatic number because it is the same when read upside-down.

It is a junction number, because it is equal to n+sod(n) for n = 99000068999985 and 99000069000030.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6268326 + ... + 15404286.

Almost surely, 2^{99000069000066} is an apocalyptic number.

99000069000066 is an abundant number, since it is smaller than the sum of its proper divisors (132005105520054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99000069000066 is a wasteful number, since it uses less digits than its factorization.

99000069000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182291 (or 9182288 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 99000069000066 in words is "ninety-nine trillion, sixty-nine million, sixty-six", and thus it is an aban number and an uban number.