1164800889 has 12 divisors (see below), whose sum is σ = 1922846016. Its totient is φ = 665600472.

The previous prime is 1164800887. The next prime is 1164800893. The reversal of 1164800889 is 9880084611.

It is not a de Polignac number, because 1164800889 - 2¹ = 1164800887 is a prime.

It is a super-2 number, since 2×1164800889² = 2713522222030380642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1164800881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9244389 + ... + 9244514.

It is an arithmetic number, because the mean of its divisors is an integer number (160237168).

Almost surely, 2^1164800889 is an apocalyptic number.

It is an amenable number.

1164800889 is a deficient number, since it is larger than the sum of its proper divisors (758045127).

1164800889 is a wasteful number, since it uses less digits than its factorization.

1164800889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488916 (or 18488913 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 1164800889 is about 34129.1794363709. The cubic root of 1164800889 is about 1052.1651133923.

The spelling of 1164800889 in words is "one billion, one hundred sixty-four million, eight hundred thousand, eight hundred eighty-nine".