75066266357 has 2 divisors, whose sum is σ = 75066266358. Its totient is φ = 75066266356.

The previous prime is 75066266321. The next prime is 75066266371. The reversal of 75066266357 is 75366266057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43134720721 + 31931545636 = 207689^2 + 178694^2 .

It is a cyclic number.

It is not a de Polignac number, because 75066266357 - 2³⁰ = 73992524533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75066266299 and 75066266308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75066266377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37533133178 + 37533133179.

It is an arithmetic number, because the mean of its divisors is an integer number (37533133179).

Almost surely, 2^75066266357 is an apocalyptic number.

It is an amenable number.

75066266357 is a deficient number, since it is larger than the sum of its proper divisors (1).

75066266357 is an equidigital number, since it uses as much as digits as its factorization.

75066266357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 53.

The spelling of 75066266357 in words is "seventy-five billion, sixty-six million, two hundred sixty-six thousand, three hundred fifty-seven".