165062181648 has 240 divisors, whose sum is σ = 541509674496. Its totient is φ = 42935961600.

The previous prime is 165062181607. The next prime is 165062181679. The reversal of 165062181648 is 846181260561.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 165062181597 and 165062181606.

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, 2195073 + ... + 2269023.

Almost surely, 2^165062181648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165062181648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270754837248).

165062181648 is an abundant number, since it is smaller than the sum of its proper divisors (376447492848).

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

165062181648 is a wasteful number, since it uses less digits than its factorization.

165062181648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74062 (or 74049 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 165062181648 in words is "one hundred sixty-five billion, sixty-two million, one hundred eighty-one thousand, six hundred forty-eight".