1165606345 has 8 divisors (see below), whose sum is σ = 1428488064. Its totient is φ = 912644784.

The previous prime is 1165606339. The next prime is 1165606399. The reversal of 1165606345 is 5436065611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1165606345 is a prime.

It is a Duffinian 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, 2479779 + ... + 2480248.

It is an arithmetic number, because the mean of its divisors is an integer number (178561008).

Almost surely, 2^1165606345 is an apocalyptic number.

It is an amenable number.

1165606345 is a deficient number, since it is larger than the sum of its proper divisors (262881719).

1165606345 is an equidigital number, since it uses as much as digits as its factorization.

1165606345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960079.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1165606345 is about 34140.9775050452. The cubic root of 1165606345 is about 1052.4075804226.

The spelling of 1165606345 in words is "one billion, one hundred sixty-five million, six hundred six thousand, three hundred forty-five".