1166160071597 has 2 divisors, whose sum is σ = 1166160071598. Its totient is φ = 1166160071596.

The previous prime is 1166160071579. The next prime is 1166160071621. The reversal of 1166160071597 is 7951700616611.

Together with previous prime (1166160071579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129854198916 + 36305872681 = 1062946^2 + 190541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166160071597 - 2⁶ = 1166160071533 is a prime.

It is a super-2 number, since 2×1166160071597² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166160071507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583080035798 + 583080035799.

It is an arithmetic number, because the mean of its divisors is an integer number (583080035799).

Almost surely, 2^{1166160071597} is an apocalyptic number.

It is an amenable number.

1166160071597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166160071597 is an equidigital number, since it uses as much as digits as its factorization.

1166160071597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 1166160071597 in words is "one trillion, one hundred sixty-six billion, one hundred sixty million, seventy-one thousand, five hundred ninety-seven".