66011102070 has 32 divisors (see below), whose sum is σ = 166764890880. Its totient is φ = 16676488800.

The previous prime is 66011102057. The next prime is 66011102081. The reversal of 66011102070 is 7020111066.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66011102070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57903906 + ... + 57905045.

It is an arithmetic number, because the mean of its divisors is an integer number (5211402840).

Almost surely, 2^66011102070 is an apocalyptic number.

66011102070 is an abundant number, since it is smaller than the sum of its proper divisors (100753788810).

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

66011102070 is a wasteful number, since it uses less digits than its factorization.

66011102070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115808980.

The product of its (nonzero) digits is 504, while the sum is 24.

The spelling of 66011102070 in words is "sixty-six billion, eleven million, one hundred two thousand, seventy".