266622640602 has 64 divisors (see below), whose sum is σ = 579872317440. Its totient is φ = 81416664000.

The previous prime is 266622640601. The next prime is 266622640663. The reversal of 266622640602 is 206046226662.

It is not an unprimeable number, because it can be changed into a prime (266622640601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4575852 + ... + 4633752.

It is an arithmetic number, because the mean of its divisors is an integer number (9060504960).

Almost surely, 2^266622640602 is an apocalyptic number.

266622640602 is an abundant number, since it is smaller than the sum of its proper divisors (313249676838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266622640602 is a wasteful number, since it uses less digits than its factorization.

266622640602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59259.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 266622640602 in words is "two hundred sixty-six billion, six hundred twenty-two million, six hundred forty thousand, six hundred two".