363166539776 has 56 divisors (see below), whose sum is σ = 726844704804. Its totient is φ = 181444280320.

The previous prime is 363166539773. The next prime is 363166539787. The reversal of 363166539776 is 677935661363.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 270400000000 + 92766539776 = 520000^2 + 304576^2 .

It is a super-2 number, since 2×363166539776² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (363166539773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11133026 + ... + 11165598.

Almost surely, 2^363166539776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 363166539776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363422352402).

363166539776 is an abundant number, since it is smaller than the sum of its proper divisors (363678165028).

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

363166539776 is an equidigital number, since it uses as much as digits as its factorization.

363166539776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33960 (or 33936 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 62.

The spelling of 363166539776 in words is "three hundred sixty-three billion, one hundred sixty-six million, five hundred thirty-nine thousand, seven hundred seventy-six".