66000011000099 has 8 divisors (see below), whose sum is σ = 72317192672448. Its totient is φ = 59735692773160.

The previous prime is 66000011000057. The next prime is 66000011000113. The reversal of 66000011000099 is 99000011000066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66000011000099 is a prime.

66000011000099 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (66000011000009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13215858737 + ... + 13215863730.

It is an arithmetic number, because the mean of its divisors is an integer number (9039649084056).

Almost surely, 2^{66000011000099} is an apocalyptic number.

66000011000099 is a deficient number, since it is larger than the sum of its proper divisors (6317181672349).

66000011000099 is a wasteful number, since it uses less digits than its factorization.

66000011000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431722705.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 66000011000099 in words is "sixty-six trillion, eleven million, ninety-nine", and thus it is an aban number and an uban number.