1164609489688 has 8 divisors (see below), whose sum is σ = 2183642793180. Its totient is φ = 582304744840.

The previous prime is 1164609489649. The next prime is 1164609489697. The reversal of 1164609489688 is 8869849064611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72788093098 + ... + 72788093113.

Almost surely, 2^{1164609489688} is an apocalyptic number.

It is an amenable number.

1164609489688 is a deficient number, since it is larger than the sum of its proper divisors (1019033303492).

1164609489688 is a wasteful number, since it uses less digits than its factorization.

1164609489688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145576186217 (or 145576186213 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 70.

The spelling of 1164609489688 in words is "one trillion, one hundred sixty-four billion, six hundred nine million, four hundred eighty-nine thousand, six hundred eighty-eight".