1166516 has 12 divisors (see below), whose sum is σ = 2198532. Its totient is φ = 538368.

The previous prime is 1166507. The next prime is 1166527. The reversal of 1166516 is 6156611.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 532900 = 796^2 + 730^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11165 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (183211).

2^1166516 is an apocalyptic number.

It is an amenable number.

1166516 is a deficient number, since it is larger than the sum of its proper divisors (1032016).

1166516 is a wasteful number, since it uses less digits than its factorization.

1166516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450 (or 22448 counting only the distinct ones).

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

The square root of 1166516 is about 1080.0537023685. The cubic root of 1166516 is about 105.2681280285.

The spelling of 1166516 in words is "one million, one hundred sixty-six thousand, five hundred sixteen".