266196222691602 has 96 divisors (see below), whose sum is σ = 619699830204672. Its totient is φ = 76008648957696.

The previous prime is 266196222691589. The next prime is 266196222691639. The reversal of 266196222691602 is 206196222691662.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5881077223 + ... + 5881122485.

It is an arithmetic number, because the mean of its divisors is an integer number (6455206564632).

Almost surely, 2^{266196222691602} is an apocalyptic number.

266196222691602 is an abundant number, since it is smaller than the sum of its proper divisors (353503607513070).

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

266196222691602 is a wasteful number, since it uses less digits than its factorization.

266196222691602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57312 (or 57305 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 60.

Adding to 266196222691602 its sum of digits (60), we get a palindrome (266196222691662).

The spelling of 266196222691602 in words is "two hundred sixty-six trillion, one hundred ninety-six billion, two hundred twenty-two million, six hundred ninety-one thousand, six hundred two".