66610002275 has 12 divisors (see below), whose sum is σ = 82600466952. Its totient is φ = 53285379840.

The previous prime is 66610002233. The next prime is 66610002307. The reversal of 66610002275 is 57220001666.

It is not a de Polignac number, because 66610002275 - 2¹⁴ = 66609985891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575699 + ... + 681651.

It is an arithmetic number, because the mean of its divisors is an integer number (6883372246).

Almost surely, 2^66610002275 is an apocalyptic number.

66610002275 is a deficient number, since it is larger than the sum of its proper divisors (15990464677).

66610002275 is a wasteful number, since it uses less digits than its factorization.

66610002275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131110 (or 131105 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 66610002275 in words is "sixty-six billion, six hundred ten million, two thousand, two hundred seventy-five".