165080087040 has 480 divisors, whose sum is σ = 582837571008. Its totient is φ = 39829504000.

The previous prime is 165080087021. The next prime is 165080087063. The reversal of 165080087040 is 40780080561.

It is a tau number, because it is divible by the number of its divisors (480).

It is a self number, because there is not a number n which added to its sum of digits gives 165080087040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372641059 + ... + 372641501.

Almost surely, 2^165080087040 is an apocalyptic number.

165080087040 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 165080087040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291418785504).

165080087040 is an abundant number, since it is smaller than the sum of its proper divisors (417757483968).

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

165080087040 is a wasteful number, since it uses less digits than its factorization.

165080087040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 165080087040 in words is "one hundred sixty-five billion, eighty million, eighty-seven thousand, forty".