162766800266 has 12 divisors (see below), whose sum is σ = 284011457778. Its totient is φ = 69757200072.

The previous prime is 162766800253. The next prime is 162766800277. The reversal of 162766800266 is 662008667261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 109557690025 + 53209110241 = 330995^2 + 230671^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 830442761 + ... + 830442956.

Almost surely, 2^162766800266 is an apocalyptic number.

162766800266 is a deficient number, since it is larger than the sum of its proper divisors (121244657512).

162766800266 is a wasteful number, since it uses less digits than its factorization.

162766800266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660885733 (or 1660885726 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 162766800266 in words is "one hundred sixty-two billion, seven hundred sixty-six million, eight hundred thousand, two hundred sixty-six".