1166151 has 12 divisors (see below), whose sum is σ = 1808952. Its totient is φ = 666288.

The previous prime is 1166147. The next prime is 1166153. The reversal of 1166151 is 1516611.

It is not a de Polignac number, because 1166151 - 2² = 1166147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1166151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166153) 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 11 ways as a sum of consecutive naturals, for example, 3820 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (150746).

2^1166151 is an apocalyptic number.

1166151 is a deficient number, since it is larger than the sum of its proper divisors (642801).

1166151 is an equidigital number, since it uses as much as digits as its factorization.

1166151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950 (or 7943 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 1166151 is about 1079.8847160693. The cubic root of 1166151 is about 105.2571475033.

The spelling of 1166151 in words is "one million, one hundred sixty-six thousand, one hundred fifty-one".