1166275517 has 8 divisors (see below), whose sum is σ = 1272730080. Its totient is φ = 1059892560.

The previous prime is 1166275511. The next prime is 1166275543. The reversal of 1166275517 is 7155726611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166275517 - 2²² = 1162081213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166275511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19583 + ... + 52115.

It is an arithmetic number, because the mean of its divisors is an integer number (159091260).

Almost surely, 2^1166275517 is an apocalyptic number.

It is an amenable number.

1166275517 is a deficient number, since it is larger than the sum of its proper divisors (106454563).

1166275517 is a wasteful number, since it uses less digits than its factorization.

1166275517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35803.

The product of its digits is 88200, while the sum is 41.

The square root of 1166275517 is about 34150.7762283671. The cubic root of 1166275517 is about 1052.6089368421.

The spelling of 1166275517 in words is "one billion, one hundred sixty-six million, two hundred seventy-five thousand, five hundred seventeen".