1156616 has 8 divisors (see below), whose sum is σ = 2168670. Its totient is φ = 578304.

The previous prime is 1156613. The next prime is 1156627. The reversal of 1156616 is 6166511.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 62500 = 1046^2 + 250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1156613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72281 + ... + 72296.

2^1156616 is an apocalyptic number.

It is an amenable number.

1156616 is a deficient number, since it is larger than the sum of its proper divisors (1012054).

1156616 is a wasteful number, since it uses less digits than its factorization.

1156616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144583 (or 144579 counting only the distinct ones).

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

The square root of 1156616 is about 1075.4608314578. The cubic root of 1156616 is about 104.9694847077.

The spelling of 1156616 in words is "one million, one hundred fifty-six thousand, six hundred sixteen".