266736580852 has 12 divisors (see below), whose sum is σ = 533473161760. Its totient is φ = 114315677496.

The previous prime is 266736580849. The next prime is 266736580879. The reversal of 266736580852 is 258085637662.

266736580852 is an admirable number.

It is a super-2 number, since 2×266736580852² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4763153202 + ... + 4763153257.

Almost surely, 2^266736580852 is an apocalyptic number.

It is an amenable number.

266736580852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266736580852 is a wasteful number, since it uses less digits than its factorization.

266736580852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526306470 (or 9526306468 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 266736580852 in words is "two hundred sixty-six billion, seven hundred thirty-six million, five hundred eighty thousand, eight hundred fifty-two".