1166588 has 6 divisors (see below), whose sum is σ = 2041536. Its totient is φ = 583292.

The previous prime is 1166579. The next prime is 1166597. The reversal of 1166588 is 8856611.

It is an interprime number because it is at equal distance from previous prime (1166579) and next prime (1166597).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145820 + ... + 145827.

It is an arithmetic number, because the mean of its divisors is an integer number (340256).

2^1166588 is an apocalyptic number.

It is an amenable number.

1166588 is a deficient number, since it is larger than the sum of its proper divisors (874948).

1166588 is a wasteful number, since it uses less digits than its factorization.

1166588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291651 (or 291649 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 1166588 is about 1080.0870335302. The cubic root of 1166588 is about 105.2702937794.

The spelling of 1166588 in words is "one million, one hundred sixty-six thousand, five hundred eighty-eight".