64522666263 has 16 divisors (see below), whose sum is σ = 93857106816. Its totient is φ = 39102164640.

The previous prime is 64522666231. The next prime is 64522666277. The reversal of 64522666263 is 36266622546.

64522666263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64522666263 - 2⁵ = 64522666231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522666213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558481 + ... + 664037.

It is an arithmetic number, because the mean of its divisors is an integer number (5866069176).

Almost surely, 2^64522666263 is an apocalyptic number.

64522666263 is a deficient number, since it is larger than the sum of its proper divisors (29334440553).

64522666263 is a wasteful number, since it uses less digits than its factorization.

64522666263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124094.

The product of its digits is 3732480, while the sum is 48.

The spelling of 64522666263 in words is "sixty-four billion, five hundred twenty-two million, six hundred sixty-six thousand, two hundred sixty-three".