40166275475063 has 2 divisors, whose sum is σ = 40166275475064. Its totient is φ = 40166275475062.

The previous prime is 40166275475059. The next prime is 40166275475177. The reversal of 40166275475063 is 36057457266104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40166275475063 - 2² = 40166275475059 is a prime.

It is a super-3 number, since 3×40166275475063³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40166275405063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083137737531 + 20083137737532.

It is an arithmetic number, because the mean of its divisors is an integer number (20083137737532).

Almost surely, 2^{40166275475063} is an apocalyptic number.

40166275475063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166275475063 is an equidigital number, since it uses as much as digits as its factorization.

40166275475063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 40166275475063 in words is "forty trillion, one hundred sixty-six billion, two hundred seventy-five million, four hundred seventy-five thousand, sixty-three".