365161964544 has 264 divisors, whose sum is σ = 1140122535552. Its totient is φ = 111900672000.

The previous prime is 365161964483. The next prime is 365161964567. The reversal of 365161964544 is 445469161563.

365161964544 is a `hidden beast` number, since 3 + 6 + 5 + 1 + 6 + 1 + 96 + 4 + 544 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30065737 + ... + 30077879.

It is an arithmetic number, because the mean of its divisors is an integer number (4318645968).

Almost surely, 2^365161964544 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 365161964544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570061267776).

365161964544 is an abundant number, since it is smaller than the sum of its proper divisors (774960571008).

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

365161964544 is a wasteful number, since it uses less digits than its factorization.

365161964544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12433 (or 12412 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 365161964544 in words is "three hundred sixty-five billion, one hundred sixty-one million, nine hundred sixty-four thousand, five hundred forty-four".