8261368606800 has 360 divisors, whose sum is σ = 29003100763104. Its totient is φ = 2177471063040.

The previous prime is 8261368606793. The next prime is 8261368606801. The reversal of 8261368606800 is 86068631628.

8261368606800 is a `hidden beast` number, since 8 + 26 + 1 + 3 + 6 + 8 + 606 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×8261368606800² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8261368606801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 170619394 + ... + 170667806.

Almost surely, 2^{8261368606800} is an apocalyptic number.

8261368606800 is a gapful number since it is divisible by the number (80) 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 8261368606800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14501550381552).

8261368606800 is an abundant number, since it is smaller than the sum of its proper divisors (20741732156304).

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

8261368606800 is a wasteful number, since it uses less digits than its factorization.

8261368606800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48987 (or 48973 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 8261368606800 in words is "eight trillion, two hundred sixty-one billion, three hundred sixty-eight million, six hundred six thousand, eight hundred".