165435966528 has 112 divisors (see below), whose sum is σ = 506274263040. Its totient is φ = 46697900544.

The previous prime is 165435966523. The next prime is 165435966533. The reversal of 165435966528 is 825669534561.

It is an interprime number because it is at equal distance from previous prime (165435966523) and next prime (165435966533).

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (165435966523) 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, 629968 + ... + 853071.

It is an arithmetic number, because the mean of its divisors is an integer number (4520305920).

Almost surely, 2^165435966528 is an apocalyptic number.

It is an amenable number.

165435966528 is an abundant number, since it is smaller than the sum of its proper divisors (340838296512).

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

165435966528 is a wasteful number, since it uses less digits than its factorization.

165435966528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483144 (or 1483134 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 60.

The spelling of 165435966528 in words is "one hundred sixty-five billion, four hundred thirty-five million, nine hundred sixty-six thousand, five hundred twenty-eight".