66066111061002 has 48 divisors (see below), whose sum is σ = 155886329518920. Its totient is φ = 20099629287936.

The previous prime is 66066111060979. The next prime is 66066111061019. The reversal of 66066111061002 is 20016011166066.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15532907674761 + 50533203386241 = 3941181^2 + 7108671^2 .

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, 1586124163 + ... + 1586165814.

Almost surely, 2^{66066111061002} is an apocalyptic number.

66066111061002 is an abundant number, since it is smaller than the sum of its proper divisors (89820218457918).

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

66066111061002 is a wasteful number, since it uses less digits than its factorization.

66066111061002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172290087 (or 3172290084 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 66066111061002 in words is "sixty-six trillion, sixty-six billion, one hundred eleven million, sixty-one thousand, two".