165765435373 has 8 divisors (see below), whose sum is σ = 165919114080. Its totient is φ = 165611828880.

The previous prime is 165765435361. The next prime is 165765435427. The reversal of 165765435373 is 373534567561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165765435373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165765435673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5266998 + ... + 5298376.

It is an arithmetic number, because the mean of its divisors is an integer number (20739889260).

Almost surely, 2^165765435373 is an apocalyptic number.

It is an amenable number.

165765435373 is a deficient number, since it is larger than the sum of its proper divisors (153678707).

165765435373 is a wasteful number, since it uses less digits than its factorization.

165765435373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36107.

The product of its digits is 23814000, while the sum is 55.

The spelling of 165765435373 in words is "one hundred sixty-five billion, seven hundred sixty-five million, four hundred thirty-five thousand, three hundred seventy-three".