1165633 has 8 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 987360.

The previous prime is 1165583. The next prime is 1165643. The reversal of 1165633 is 3365611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1165633 - 2⁹ = 1165121 is a prime.

It is a Duffinian number.

1165633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1165598 and 1165607.

It is not an unprimeable number, because it can be changed into a prime (1165643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313 + ... + 1558.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

2^1165633 is an apocalyptic number.

It is an amenable number.

1165633 is a deficient number, since it is larger than the sum of its proper divisors (182207).

1165633 is an equidigital number, since it uses as much as digits as its factorization.

1165633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its digits is 1620, while the sum is 25.

The square root of 1165633 is about 1079.6448490129. The cubic root of 1165633 is about 105.2415602488.

The spelling of 1165633 in words is "one million, one hundred sixty-five thousand, six hundred thirty-three".