75388208216 has 16 divisors (see below), whose sum is σ = 141355818240. Its totient is φ = 37693323360.

The previous prime is 75388208201. The next prime is 75388208237. The reversal of 75388208216 is 61280288357.

It is a happy number.

It is a super-3 number, since 3×75388208216³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 646505 + ... + 754151.

It is an arithmetic number, because the mean of its divisors is an integer number (8834738640).

Almost surely, 2^75388208216 is an apocalyptic number.

It is an amenable number.

75388208216 is a deficient number, since it is larger than the sum of its proper divisors (65967610024).

75388208216 is a wasteful number, since it uses less digits than its factorization.

75388208216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195194 (or 195190 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 75388208216 in words is "seventy-five billion, three hundred eighty-eight million, two hundred eight thousand, two hundred sixteen".