75623846161 has 2 divisors, whose sum is σ = 75623846162. Its totient is φ = 75623846160.

The previous prime is 75623846147. The next prime is 75623846203. The reversal of 75623846161 is 16164832657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73464849936 + 2158996225 = 271044^2 + 46465^2 .

It is an emirp because it is prime and its reverse (16164832657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75623846161 - 2¹¹ = 75623844113 is a prime.

It is a super-2 number, since 2×75623846161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75623840161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37811923080 + 37811923081.

It is an arithmetic number, because the mean of its divisors is an integer number (37811923081).

Almost surely, 2^75623846161 is an apocalyptic number.

It is an amenable number.

75623846161 is a deficient number, since it is larger than the sum of its proper divisors (1).

75623846161 is an equidigital number, since it uses as much as digits as its factorization.

75623846161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The spelling of 75623846161 in words is "seventy-five billion, six hundred twenty-three million, eight hundred forty-six thousand, one hundred sixty-one".