1166546 has 4 divisors (see below), whose sum is σ = 1749822. Its totient is φ = 583272.

The previous prime is 1166533. The next prime is 1166549. The reversal of 1166546 is 6456611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 87025 = 1039^2 + 295^2 .

It is not an unprimeable number, because it can be changed into a prime (1166549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291635 + ... + 291638.

2^1166546 is an apocalyptic number.

1166546 is a deficient number, since it is larger than the sum of its proper divisors (583276).

1166546 is an equidigital number, since it uses as much as digits as its factorization.

1166546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583275.

The product of its digits is 4320, while the sum is 29.

The square root of 1166546 is about 1080.0675904776. The cubic root of 1166546 is about 105.2690304355.

It can be divided in two parts, 11665 and 46, that added together give a palindrome (11711).

The spelling of 1166546 in words is "one million, one hundred sixty-six thousand, five hundred forty-six".