64266666263 has 16 divisors (see below), whose sum is σ = 67695264000. Its totient is φ = 60892930560.

The previous prime is 64266666259. The next prime is 64266666281. The reversal of 64266666263 is 36266666246.

It is not a de Polignac number, because 64266666263 - 2² = 64266666259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64266666293) 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, 1413068 + ... + 1457838.

It is an arithmetic number, because the mean of its divisors is an integer number (4230954000).

Almost surely, 2^64266666263 is an apocalyptic number.

64266666263 is a deficient number, since it is larger than the sum of its proper divisors (3428597737).

64266666263 is a wasteful number, since it uses less digits than its factorization.

64266666263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45382.

The product of its digits is 13436928, while the sum is 53.

The spelling of 64266666263 in words is "sixty-four billion, two hundred sixty-six million, six hundred sixty-six thousand, two hundred sixty-three".