1156668 has 24 divisors (see below), whose sum is σ = 2725968. Its totient is φ = 381696.

The previous prime is 1156643. The next prime is 1156681. The reversal of 1156668 is 8666511.

1156668 is nontrivially palindromic in base 11.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (113582).

2^1156668 is an apocalyptic number.

It is an amenable number.

1156668 is an abundant number, since it is smaller than the sum of its proper divisors (1569300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156668 is a wasteful number, since it uses less digits than its factorization.

1156668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 971 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 1156668 is about 1075.4850068690. The cubic root of 1156668 is about 104.9710577827.

The spelling of 1156668 in words is "one million, one hundred fifty-six thousand, six hundred sixty-eight".