75641166053 has 2 divisors, whose sum is σ = 75641166054. Its totient is φ = 75641166052.

The previous prime is 75641166023. The next prime is 75641166109. The reversal of 75641166053 is 35066114657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56900377444 + 18740788609 = 238538^2 + 136897^2 .

It is a cyclic number.

It is not a de Polignac number, because 75641166053 - 2¹⁸ = 75640903909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75641165995 and 75641166013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75641166023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37820583026 + 37820583027.

It is an arithmetic number, because the mean of its divisors is an integer number (37820583027).

Almost surely, 2^75641166053 is an apocalyptic number.

It is an amenable number.

75641166053 is a deficient number, since it is larger than the sum of its proper divisors (1).

75641166053 is an equidigital number, since it uses as much as digits as its factorization.

75641166053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 75641166053 in words is "seventy-five billion, six hundred forty-one million, one hundred sixty-six thousand, fifty-three".