1165250396160 has 648 divisors, whose sum is σ = 4210150797216. Its totient is φ = 309586821120.

The previous prime is 1165250396111. The next prime is 1165250396183. The reversal of 1165250396160 is 616930525611.

1165250396160 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 25 + 0 + 3 + 9 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4299816825 + ... + 4299817095.

It is an arithmetic number, because the mean of its divisors is an integer number (6497146292).

Almost surely, 2^{1165250396160} is an apocalyptic number.

1165250396160 is a gapful number since it is divisible by the number (10) 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 1165250396160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105075398608).

1165250396160 is an abundant number, since it is smaller than the sum of its proper divisors (3044900401056).

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

1165250396160 is an frugal number, since it uses more digits than its factorization.

1165250396160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 1165250396160 in words is "one trillion, one hundred sixty-five billion, two hundred fifty million, three hundred ninety-six thousand, one hundred sixty".