165330756815 has 8 divisors (see below), whose sum is σ = 226739323680. Its totient is φ = 113369661792.

The previous prime is 165330756757. The next prime is 165330756823. The reversal of 165330756815 is 518657033561.

It is a happy number.

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-165330756815 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361867920 + ... + 2361867989.

It is an arithmetic number, because the mean of its divisors is an integer number (28342415460).

Almost surely, 2^165330756815 is an apocalyptic number.

165330756815 is a deficient number, since it is larger than the sum of its proper divisors (61408566865).

165330756815 is an equidigital number, since it uses as much as digits as its factorization.

165330756815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723735921.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 165330756815 in words is "one hundred sixty-five billion, three hundred thirty million, seven hundred fifty-six thousand, eight hundred fifteen".