64747112266 has 8 divisors (see below), whose sum is σ = 97537496004. Its totient is φ = 32234613600.

The previous prime is 64747112263. The next prime is 64747112267. The reversal of 64747112266 is 66221174746.

64747112266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62847983025 + 1899129241 = 250695^2 + 43579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64747112263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69470685 + ... + 69471616.

Almost surely, 2^64747112266 is an apocalyptic number.

64747112266 is a deficient number, since it is larger than the sum of its proper divisors (32790383738).

64747112266 is a wasteful number, since it uses less digits than its factorization.

64747112266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942536.

The product of its digits is 677376, while the sum is 46.

The spelling of 64747112266 in words is "sixty-four billion, seven hundred forty-seven million, one hundred twelve thousand, two hundred sixty-six".