162306980809 has 8 divisors (see below), whose sum is σ = 170759356488. Its totient is φ = 154068589440.

The previous prime is 162306980777. The next prime is 162306980813. The reversal of 162306980809 is 908089603261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55600225209 + 106706755600 = 235797^2 + 326660^2 .

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 162306980809 - 2⁵ = 162306980777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162306980839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53494522 + ... + 53497555.

It is an arithmetic number, because the mean of its divisors is an integer number (21344919561).

Almost surely, 2^162306980809 is an apocalyptic number.

It is an amenable number.

162306980809 is a deficient number, since it is larger than the sum of its proper divisors (8452375679).

162306980809 is a wasteful number, since it uses less digits than its factorization.

162306980809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106992155.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 162306980809 in words is "one hundred sixty-two billion, three hundred six million, nine hundred eighty thousand, eight hundred nine".