165365047296 has 336 divisors, whose sum is σ = 492697099440. Its totient is φ = 53418393600.

The previous prime is 165365047277. The next prime is 165365047297. The reversal of 165365047296 is 692740563561.

165365047296 is a `hidden beast` number, since 1 + 6 + 5 + 36 + 50 + 472 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165365047297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394665775 + ... + 394666193.

It is an arithmetic number, because the mean of its divisors is an integer number (1466360415).

Almost surely, 2^165365047296 is an apocalyptic number.

165365047296 is a gapful number since it is divisible by the number (16) 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 165365047296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246348549720).

165365047296 is an abundant number, since it is smaller than the sum of its proper divisors (327332052144).

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

165365047296 is a wasteful number, since it uses less digits than its factorization.

165365047296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 165365047296 in words is "one hundred sixty-five billion, three hundred sixty-five million, forty-seven thousand, two hundred ninety-six".