1164543441 has 16 divisors (see below), whose sum is σ = 1569509760. Its totient is φ = 767986560.

The previous prime is 1164543403. The next prime is 1164543463. The reversal of 1164543441 is 1443454611.

It is not a de Polignac number, because 1164543441 - 2⁷ = 1164543313 is a prime.

It is a super-2 number, since 2×1164543441² = 2712322851952240962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1164542441) 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, 425365 + ... + 428093.

It is an arithmetic number, because the mean of its divisors is an integer number (98094360).

Almost surely, 2^1164543441 is an apocalyptic number.

It is an amenable number.

1164543441 is a deficient number, since it is larger than the sum of its proper divisors (404966319).

1164543441 is a wasteful number, since it uses less digits than its factorization.

1164543441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216.

The product of its digits is 23040, while the sum is 33.

The square root of 1164543441 is about 34125.4075580058. The cubic root of 1164543441 is about 1052.0875900531.

The spelling of 1164543441 in words is "one billion, one hundred sixty-four million, five hundred forty-three thousand, four hundred forty-one".