165496294080 has 336 divisors, whose sum is σ = 614222560224. Its totient is φ = 40658042880.

The previous prime is 165496294063. The next prime is 165496294133. The reversal of 165496294080 is 80492694561.

165496294080 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 9 + 629 + 4 + 0 + 8 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 20475640 + ... + 20483720.

It is an arithmetic number, because the mean of its divisors is an integer number (1828043334).

Almost surely, 2^165496294080 is an apocalyptic number.

165496294080 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 165496294080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307111280112).

165496294080 is an abundant number, since it is smaller than the sum of its proper divisors (448726266144).

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

165496294080 is a wasteful number, since it uses less digits than its factorization.

165496294080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664 (or 8651 counting only the distinct ones).

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

The spelling of 165496294080 in words is "one hundred sixty-five billion, four hundred ninety-six million, two hundred ninety-four thousand, eighty".