165703000538 has 32 divisors (see below), whose sum is σ = 259238517120. Its totient is φ = 79363005120.

The previous prime is 165703000537. The next prime is 165703000553. The reversal of 165703000538 is 835000307561.

It is not an unprimeable number, because it can be changed into a prime (165703000537) 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, 3702845 + ... + 3747327.

It is an arithmetic number, because the mean of its divisors is an integer number (8101203660).

Almost surely, 2^165703000538 is an apocalyptic number.

165703000538 is a deficient number, since it is larger than the sum of its proper divisors (93535516582).

165703000538 is a wasteful number, since it uses less digits than its factorization.

165703000538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45302.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 165703000538 in words is "one hundred sixty-five billion, seven hundred three million, five hundred thirty-eight", and thus it is an aban number.