99000000000066 has 32 divisors (see below), whose sum is σ = 216004196475648. Its totient is φ = 29999417156240.

The previous prime is 99000000000037. The next prime is 99000000000091. The reversal of 99000000000066 is 66000000000099.

99000000000066 is a strobogrammatic number because it is the same when read upside-down.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 98999999999952 and 99000000000042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11142156 + ... + 17948471.

It is an arithmetic number, because the mean of its divisors is an integer number (6750131139864).

Almost surely, 2^{99000000000066} is an apocalyptic number.

99000000000066 is an abundant number, since it is smaller than the sum of its proper divisors (117004196475582).

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

99000000000066 is a wasteful number, since it uses less digits than its factorization.

99000000000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29142206.

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 99000000000066 in words is "ninety-nine trillion, sixty-six", and thus it is an aban number and an uban number.