240166263320233 has 2 divisors, whose sum is σ = 240166263320234. Its totient is φ = 240166263320232.

The previous prime is 240166263320173. The next prime is 240166263320267. The reversal of 240166263320233 is 332023362661042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238473029975184 + 1693233345049 = 15442572^2 + 1301243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240166263320233 is a prime.

It is a super-2 number, since 2×240166263320233² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240166263320233.

It is not a weakly prime, because it can be changed into another prime (240166263320833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120083131660116 + 120083131660117.

It is an arithmetic number, because the mean of its divisors is an integer number (120083131660117).

Almost surely, 2^{240166263320233} is an apocalyptic number.

It is an amenable number.

240166263320233 is a deficient number, since it is larger than the sum of its proper divisors (1).

240166263320233 is an equidigital number, since it uses as much as digits as its factorization.

240166263320233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 43.

The spelling of 240166263320233 in words is "two hundred forty trillion, one hundred sixty-six billion, two hundred sixty-three million, three hundred twenty thousand, two hundred thirty-three".