266051432600 has 96 divisors (see below), whose sum is σ = 625714014240. Its totient is φ = 105194880000.

The previous prime is 266051432561. The next prime is 266051432663. The reversal of 266051432600 is 6234150662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12735764 + ... + 12756636.

It is an arithmetic number, because the mean of its divisors is an integer number (6517854315).

Almost surely, 2^266051432600 is an apocalyptic number.

266051432600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266051432600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312857007120).

266051432600 is an abundant number, since it is smaller than the sum of its proper divisors (359662581640).

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

266051432600 is a wasteful number, since it uses less digits than its factorization.

266051432600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621 (or 21612 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 266051432600 in words is "two hundred sixty-six billion, fifty-one million, four hundred thirty-two thousand, six hundred".