66065033052645 has 32 divisors (see below), whose sum is σ = 116455230209664. Its totient is φ = 31714387296000.

The previous prime is 66065033052607. The next prime is 66065033052679. The reversal of 66065033052645 is 54625033056066.

It is not a de Polignac number, because 66065033052645 - 2⁶ = 66065033052581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1982132542 + ... + 1982165871.

It is an arithmetic number, because the mean of its divisors is an integer number (3639225944052).

Almost surely, 2^{66065033052645} is an apocalyptic number.

It is an amenable number.

66065033052645 is a deficient number, since it is larger than the sum of its proper divisors (50390197157019).

66065033052645 is a wasteful number, since it uses less digits than its factorization.

66065033052645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964298533.

The product of its (nonzero) digits is 11664000, while the sum is 51.

The spelling of 66065033052645 in words is "sixty-six trillion, sixty-five billion, thirty-three million, fifty-two thousand, six hundred forty-five".