1166284057 has 8 divisors (see below), whose sum is σ = 1178647200. Its totient is φ = 1153948224.

The previous prime is 1166284051. The next prime is 1166284061. The reversal of 1166284057 is 7504826611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166284057 is a prime.

It is a super-2 number, since 2×1166284057² = 2720437003224758498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166284051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85569 + ... + 98257.

It is an arithmetic number, because the mean of its divisors is an integer number (147330900).

Almost surely, 2^1166284057 is an apocalyptic number.

It is an amenable number.

1166284057 is a deficient number, since it is larger than the sum of its proper divisors (12363143).

1166284057 is a wasteful number, since it uses less digits than its factorization.

1166284057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13655.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1166284057 is about 34150.9012618994. The cubic root of 1166284057 is about 1052.6115060630.

The spelling of 1166284057 in words is "one billion, one hundred sixty-six million, two hundred eighty-four thousand, fifty-seven".