75361616356 has 18 divisors (see below), whose sum is σ = 142808034642. Its totient is φ = 34782284160.

The previous prime is 75361616339. The next prime is 75361616381. The reversal of 75361616356 is 65361616357.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2023560256 + 73338056100 = 44984^2 + 270810^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55740165 + ... + 55741516.

Almost surely, 2^75361616356 is an apocalyptic number.

It is an amenable number.

75361616356 is a deficient number, since it is larger than the sum of its proper divisors (67446418286).

75361616356 is a wasteful number, since it uses less digits than its factorization.

75361616356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111481711 (or 111481696 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 49.

Subtracting from 75361616356 its reverse (65361616357), we obtain a palindrome (9999999999).

The spelling of 75361616356 in words is "seventy-five billion, three hundred sixty-one million, six hundred sixteen thousand, three hundred fifty-six".