220136166306263 has 2 divisors, whose sum is σ = 220136166306264. Its totient is φ = 220136166306262.

The previous prime is 220136166306239. The next prime is 220136166306281. The reversal of 220136166306263 is 362603661631022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220136166306263 is a prime.

It is a super-2 number, since 2×220136166306263² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220136166300263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110068083153131 + 110068083153132.

It is an arithmetic number, because the mean of its divisors is an integer number (110068083153132).

Almost surely, 2^{220136166306263} is an apocalyptic number.

220136166306263 is a deficient number, since it is larger than the sum of its proper divisors (1).

220136166306263 is an equidigital number, since it uses as much as digits as its factorization.

220136166306263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 220136166306263 in words is "two hundred twenty trillion, one hundred thirty-six billion, one hundred sixty-six million, three hundred six thousand, two hundred sixty-three".