75366066357 has 16 divisors (see below), whose sum is σ = 118221281280. Its totient is φ = 47288511936.

The previous prime is 75366066341. The next prime is 75366066359.

It is a happy number.

75366066357 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75366066357 - 2⁴ = 75366066341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75366066359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 82097653 + ... + 82098570.

It is an arithmetic number, because the mean of its divisors is an integer number (7388830080).

Almost surely, 2^75366066357 is an apocalyptic number.

It is an amenable number.

75366066357 is a deficient number, since it is larger than the sum of its proper divisors (42855214923).

75366066357 is a wasteful number, since it uses less digits than its factorization.

75366066357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164196249 (or 164196243 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 54.

The spelling of 75366066357 in words is "seventy-five billion, three hundred sixty-six million, sixty-six thousand, three hundred fifty-seven".