165013507393 has 8 divisors (see below), whose sum is σ = 188894516288. Its totient is φ = 141209411184.

The previous prime is 165013507381. The next prime is 165013507411. The reversal of 165013507393 is 393705310561.

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

It is a cyclic number.

It is not a de Polignac number, because 165013507393 - 2³⁷ = 27574553921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165013597393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19223571 + ... + 19232152.

It is an arithmetic number, because the mean of its divisors is an integer number (23611814536).

Almost surely, 2^165013507393 is an apocalyptic number.

It is an amenable number.

165013507393 is a deficient number, since it is larger than the sum of its proper divisors (23881008895).

165013507393 is an equidigital number, since it uses as much as digits as its factorization.

165013507393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38456343.

The product of its (nonzero) digits is 255150, while the sum is 43.

The spelling of 165013507393 in words is "one hundred sixty-five billion, thirteen million, five hundred seven thousand, three hundred ninety-three".