165216195467 has 4 divisors (see below), whose sum is σ = 165238019520. Its totient is φ = 165194371416.

The previous prime is 165216195457. The next prime is 165216195479. The reversal of 165216195467 is 764591612561.

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

It is a cyclic number.

It is not a de Polignac number, because 165216195467 - 2²⁶ = 165149086603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165216195437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10900667 + ... + 10915812.

It is an arithmetic number, because the mean of its divisors is an integer number (41309504880).

Almost surely, 2^165216195467 is an apocalyptic number.

165216195467 is a deficient number, since it is larger than the sum of its proper divisors (21824053).

165216195467 is an equidigital number, since it uses as much as digits as its factorization.

165216195467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824052.

The product of its digits is 2721600, while the sum is 53.

The spelling of 165216195467 in words is "one hundred sixty-five billion, two hundred sixteen million, one hundred ninety-five thousand, four hundred sixty-seven".