75271166671 has 2 divisors, whose sum is σ = 75271166672. Its totient is φ = 75271166670.

The previous prime is 75271166609. The next prime is 75271166687. The reversal of 75271166671 is 17666117257.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75271166671 is a prime.

It is a super-2 number, since 2×75271166671² (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 (75271166771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37635583335 + 37635583336.

It is an arithmetic number, because the mean of its divisors is an integer number (37635583336).

Almost surely, 2^75271166671 is an apocalyptic number.

75271166671 is a deficient number, since it is larger than the sum of its proper divisors (1).

75271166671 is an equidigital number, since it uses as much as digits as its factorization.

75271166671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 49.

The spelling of 75271166671 in words is "seventy-five billion, two hundred seventy-one million, one hundred sixty-six thousand, six hundred seventy-one".