220064266466 has 72 divisors (see below), whose sum is σ = 386897476140. Its totient is φ = 93783951360.

The previous prime is 220064266403. The next prime is 220064266483. The reversal of 220064266466 is 664662460022.

It can be written as a sum of positive squares in 2 ways, for example, as 210456150025 + 9608116441 = 458755^2 + 98021^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8461130 + ... + 8487098.

Almost surely, 2^220064266466 is an apocalyptic number.

220064266466 is a deficient number, since it is larger than the sum of its proper divisors (166833209674).

220064266466 is a wasteful number, since it uses less digits than its factorization.

220064266466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26128 (or 26098 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 220064266466 in words is "two hundred twenty billion, sixty-four million, two hundred sixty-six thousand, four hundred sixty-six".