165730826316 has 96 divisors (see below), whose sum is σ = 438070461696. Its totient is φ = 48325248000.

The previous prime is 165730826299. The next prime is 165730826321. The reversal of 165730826316 is 613628037561.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185331 + ... + 604821.

It is an arithmetic number, because the mean of its divisors is an integer number (4563233976).

Almost surely, 2^165730826316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165730826316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219035230848).

165730826316 is an abundant number, since it is smaller than the sum of its proper divisors (272339635380).

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

165730826316 is a wasteful number, since it uses less digits than its factorization.

165730826316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419623 (or 419621 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 165730826316 in words is "one hundred sixty-five billion, seven hundred thirty million, eight hundred twenty-six thousand, three hundred sixteen".