71166192373 has 2 divisors, whose sum is σ = 71166192374. Its totient is φ = 71166192372.

The previous prime is 71166192367. The next prime is 71166192389. The reversal of 71166192373 is 37329166117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70547078449 + 619113924 = 265607^2 + 24882^2 .

It is a cyclic number.

It is not a de Polignac number, because 71166192373 - 2²¹ = 71164095221 is a prime.

It is a super-2 number, since 2×71166192373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71166192973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35583096186 + 35583096187.

It is an arithmetic number, because the mean of its divisors is an integer number (35583096187).

Almost surely, 2^71166192373 is an apocalyptic number.

It is an amenable number.

71166192373 is a deficient number, since it is larger than the sum of its proper divisors (1).

71166192373 is an equidigital number, since it uses as much as digits as its factorization.

71166192373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The spelling of 71166192373 in words is "seventy-one billion, one hundred sixty-six million, one hundred ninety-two thousand, three hundred seventy-three".