1166156 has 6 divisors (see below), whose sum is σ = 2040780. Its totient is φ = 583076.

The previous prime is 1166153. The next prime is 1166213. The reversal of 1166156 is 6516611.

It is not an unprimeable number, because it can be changed into a prime (1166153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145766 + ... + 145773.

It is an arithmetic number, because the mean of its divisors is an integer number (340130).

2^1166156 is an apocalyptic number.

It is an amenable number.

1166156 is a deficient number, since it is larger than the sum of its proper divisors (874624).

1166156 is a wasteful number, since it uses less digits than its factorization.

1166156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291543 (or 291541 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 1166156 is about 1079.8870311287. The cubic root of 1166156 is about 105.2572979369.

The spelling of 1166156 in words is "one million, one hundred sixty-six thousand, one hundred fifty-six".