64116555263 has 2 divisors, whose sum is σ = 64116555264. Its totient is φ = 64116555262.

The previous prime is 64116555257. The next prime is 64116555313. The reversal of 64116555263 is 36255561146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64116555263 - 2⁸ = 64116555007 is a prime.

It is a super-2 number, since 2×64116555263² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64116555233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32058277631 + 32058277632.

It is an arithmetic number, because the mean of its divisors is an integer number (32058277632).

Almost surely, 2^64116555263 is an apocalyptic number.

64116555263 is a deficient number, since it is larger than the sum of its proper divisors (1).

64116555263 is an equidigital number, since it uses as much as digits as its factorization.

64116555263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The spelling of 64116555263 in words is "sixty-four billion, one hundred sixteen million, five hundred fifty-five thousand, two hundred sixty-three".