1164905555 has 8 divisors (see below), whose sum is σ = 1524967344. Its totient is φ = 847204000.

The previous prime is 1164905551. The next prime is 1164905597. The reversal of 1164905555 is 5555094611.

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

It is not a de Polignac number, because 1164905555 - 2² = 1164905551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164905551) 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, 10589996 + ... + 10590105.

It is an arithmetic number, because the mean of its divisors is an integer number (190620918).

Almost surely, 2^1164905555 is an apocalyptic number.

1164905555 is a deficient number, since it is larger than the sum of its proper divisors (360061789).

1164905555 is a wasteful number, since it uses less digits than its factorization.

1164905555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180117.

The product of its (nonzero) digits is 135000, while the sum is 41.

The square root of 1164905555 is about 34130.7127818919. The cubic root of 1164905555 is about 1052.1966273951.

The spelling of 1164905555 in words is "one billion, one hundred sixty-four million, nine hundred five thousand, five hundred fifty-five".