1165419154368 has 1344 divisors, whose sum is σ = 4495758059520. Its totient is φ = 288439861248.

The previous prime is 1165419154349. The next prime is 1165419154399. The reversal of 1165419154368 is 8634519145611.

1165419154368 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 4 + 1 + 91 + 543 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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 191 ways as a sum of consecutive naturals, for example, 3977539630 + ... + 3977539922.

It is an arithmetic number, because the mean of its divisors is an integer number (3345058080).

Almost surely, 2^{1165419154368} is an apocalyptic number.

1165419154368 is a gapful number since it is divisible by the number (18) 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 1165419154368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247879029760).

1165419154368 is an abundant number, since it is smaller than the sum of its proper divisors (3330338905152).

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

1165419154368 is a wasteful number, since it uses less digits than its factorization.

1165419154368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 374 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 1165419154368 in words is "one trillion, one hundred sixty-five billion, four hundred nineteen million, one hundred fifty-four thousand, three hundred sixty-eight".