66066020226602 has 12 divisors (see below), whose sum is σ = 108927033349218. Its totient is φ = 30030009193800.

The previous prime is 66066020226599. The next prime is 66066020226617. The reversal of 66066020226602 is 20662202066066.

It can be written as a sum of positive squares in only one way, i.e., 61762922205721 + 4303098020881 = 7858939^2 + 2074391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136500041549 + ... + 136500042032.

Almost surely, 2^{66066020226602} is an apocalyptic number.

66066020226602 is a deficient number, since it is larger than the sum of its proper divisors (42861013122616).

66066020226602 is a wasteful number, since it uses less digits than its factorization.

66066020226602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273000083605 (or 273000083594 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 66066020226602 in words is "sixty-six trillion, sixty-six billion, twenty million, two hundred twenty-six thousand, six hundred two".