66262226266 has 16 divisors (see below), whose sum is σ = 103436403840. Its totient is φ = 31797107440.

The previous prime is 66262226249. The next prime is 66262226273.

It is a happy number.

66262226266 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410830 + ... + 3430201.

It is an arithmetic number, because the mean of its divisors is an integer number (6464775240).

Almost surely, 2^66262226266 is an apocalyptic number.

66262226266 is a deficient number, since it is larger than the sum of its proper divisors (37174177574).

66262226266 is a wasteful number, since it uses less digits than its factorization.

66262226266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841229.

The product of its digits is 1492992, while the sum is 46.

The spelling of 66262226266 in words is "sixty-six billion, two hundred sixty-two million, two hundred twenty-six thousand, two hundred sixty-six".