1166465471 has 2 divisors, whose sum is σ = 1166465472. Its totient is φ = 1166465470.

The previous prime is 1166465437. The next prime is 1166465477. The reversal of 1166465471 is 1745646611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166465471 is a prime.

It is a super-3 number, since 3×1166465471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166465477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583232735 + 583232736.

It is an arithmetic number, because the mean of its divisors is an integer number (583232736).

Almost surely, 2^1166465471 is an apocalyptic number.

1166465471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166465471 is an equidigital number, since it uses as much as digits as its factorization.

1166465471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 1166465471 is about 34153.5572232235. The cubic root of 1166465471 is about 1052.6660806932. Note that the first 3 decimals are identical.

The spelling of 1166465471 in words is "one billion, one hundred sixty-six million, four hundred sixty-five thousand, four hundred seventy-one".