165480757835 has 4 divisors (see below), whose sum is σ = 198576909408. Its totient is φ = 132384606264.

The previous prime is 165480757817. The next prime is 165480757861. The reversal of 165480757835 is 538757084561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165480757835 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16548075779 + ... + 16548075788.

It is an arithmetic number, because the mean of its divisors is an integer number (49644227352).

Almost surely, 2^165480757835 is an apocalyptic number.

165480757835 is a deficient number, since it is larger than the sum of its proper divisors (33096151573).

165480757835 is an equidigital number, since it uses as much as digits as its factorization.

165480757835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33096151572.

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 165480757835 in words is "one hundred sixty-five billion, four hundred eighty million, seven hundred fifty-seven thousand, eight hundred thirty-five".