240166263321883 has 2 divisors, whose sum is σ = 240166263321884. Its totient is φ = 240166263321882.

The previous prime is 240166263321857. The next prime is 240166263321911. The reversal of 240166263321883 is 388123362661042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240166263321883 - 2²⁹ = 240165726450971 is a prime.

It is not a weakly prime, because it can be changed into another prime (240166263721883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120083131660941 + 120083131660942.

It is an arithmetic number, because the mean of its divisors is an integer number (120083131660942).

Almost surely, 2^{240166263321883} is an apocalyptic number.

240166263321883 is a deficient number, since it is larger than the sum of its proper divisors (1).

240166263321883 is an equidigital number, since it uses as much as digits as its factorization.

240166263321883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 240166263321883 in words is "two hundred forty trillion, one hundred sixty-six billion, two hundred sixty-three million, three hundred twenty-one thousand, eight hundred eighty-three".