1164198918 has 8 divisors (see below), whose sum is σ = 2328397848. Its totient is φ = 388066304.

The previous prime is 1164198911. The next prime is 1164198923. The reversal of 1164198918 is 8198914611.

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

1164198918 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164198911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97016571 + ... + 97016582.

It is an arithmetic number, because the mean of its divisors is an integer number (291049731).

Almost surely, 2^1164198918 is an apocalyptic number.

1164198918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164198918 is a wasteful number, since it uses less digits than its factorization.

1164198918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194033158.

The product of its digits is 124416, while the sum is 48.

The square root of 1164198918 is about 34120.3592888469. The cubic root of 1164198918 is about 1051.9838286102.

The spelling of 1164198918 in words is "one billion, one hundred sixty-four million, one hundred ninety-eight thousand, nine hundred eighteen".