1164544655 has 16 divisors (see below), whose sum is σ = 1435825440. Its totient is φ = 906381312.

The previous prime is 1164544651. The next prime is 1164544657. The reversal of 1164544655 is 5564454611.

It is a cyclic number.

It is not a de Polignac number, because 1164544655 - 2² = 1164544651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164544651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8267 + ... + 48963.

It is an arithmetic number, because the mean of its divisors is an integer number (89739090).

Almost surely, 2^1164544655 is an apocalyptic number.

1164544655 is a deficient number, since it is larger than the sum of its proper divisors (271280785).

1164544655 is an equidigital number, since it uses as much as digits as its factorization.

1164544655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40858.

The product of its digits is 288000, while the sum is 41.

The square root of 1164544655 is about 34125.4253453345. The cubic root of 1164544655 is about 1052.0879556424.

The spelling of 1164544655 in words is "one billion, one hundred sixty-four million, five hundred forty-four thousand, six hundred fifty-five".