66350064125241 has 24 divisors (see below), whose sum is σ = 104625063078536. Its totient is φ = 40271482540800.

The previous prime is 66350064125183. The next prime is 66350064125281. The reversal of 66350064125241 is 14252146005366.

66350064125241 is a `hidden beast` number, since 6 + 6 + 3 + 50 + 0 + 64 + 12 + 524 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 917819564841 + 65432244560400 = 958029^2 + 8089020^2 .

It is not a de Polignac number, because 66350064125241 - 2³⁵ = 66315704386873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66350064125281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3884200810 + ... + 3884217891.

Almost surely, 2^{66350064125241} is an apocalyptic number.

It is an amenable number.

66350064125241 is a deficient number, since it is larger than the sum of its proper divisors (38274998953295).

66350064125241 is a wasteful number, since it uses less digits than its factorization.

66350064125241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7768418793 (or 7768418790 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 66350064125241 in words is "sixty-six trillion, three hundred fifty billion, sixty-four million, one hundred twenty-five thousand, two hundred forty-one".