1164158963604 has 504 divisors, whose sum is σ = 3836304191328. Its totient is φ = 306248584320.

The previous prime is 1164158963593. The next prime is 1164158963623. The reversal of 1164158963604 is 4063698514611.

1164158963604 is a `hidden beast` number, since 1 + 16 + 4 + 15 + 8 + 9 + 6 + 3 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 1283526519 + ... + 1283527425.

Almost surely, 2^{1164158963604} is an apocalyptic number.

1164158963604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164158963604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918152095664).

1164158963604 is an abundant number, since it is smaller than the sum of its proper divisors (2672145227724).

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

1164158963604 is a wasteful number, since it uses less digits than its factorization.

1164158963604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 1164158963604 in words is "one trillion, one hundred sixty-four billion, one hundred fifty-eight million, nine hundred sixty-three thousand, six hundred four".