165488916648 has 64 divisors (see below), whose sum is σ = 451370174400. Its totient is φ = 50144071680.

The previous prime is 165488916641. The next prime is 165488916683. The reversal of 165488916648 is 846619884561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (165488916641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5405448 + ... + 5435976.

It is an arithmetic number, because the mean of its divisors is an integer number (7052658975).

Almost surely, 2^165488916648 is an apocalyptic number.

It is an amenable number.

165488916648 is an abundant number, since it is smaller than the sum of its proper divisors (285881257752).

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

165488916648 is a wasteful number, since it uses less digits than its factorization.

165488916648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51082 (or 51078 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 66.

The spelling of 165488916648 in words is "one hundred sixty-five billion, four hundred eighty-eight million, nine hundred sixteen thousand, six hundred forty-eight".