165054243788 has 48 divisors (see below), whose sum is σ = 350855898624. Its totient is φ = 66323308800.

The previous prime is 165054243773. The next prime is 165054243791. The reversal of 165054243788 is 887342450561.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534038 + ... + 784413.

It is an arithmetic number, because the mean of its divisors is an integer number (7309497888).

Almost surely, 2^165054243788 is an apocalyptic number.

It is an amenable number.

165054243788 is an abundant number, since it is smaller than the sum of its proper divisors (185801654836).

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

165054243788 is a wasteful number, since it uses less digits than its factorization.

165054243788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318742 (or 1318740 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 165054243788 in words is "one hundred sixty-five billion, fifty-four million, two hundred forty-three thousand, seven hundred eighty-eight".