13672721162 has 4 divisors (see below), whose sum is σ = 20509081746. Its totient is φ = 6836360580.

The previous prime is 13672721141. The next prime is 13672721171. The reversal of 13672721162 is 26112727631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26112727631 = 479 ⋅54515089.

It can be written as a sum of positive squares in only one way, i.e., 9517758481 + 4154962681 = 97559^2 + 64459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3418180289 + ... + 3418180292.

Almost surely, 2^13672721162 is an apocalyptic number.

13672721162 is a deficient number, since it is larger than the sum of its proper divisors (6836360584).

13672721162 is an equidigital number, since it uses as much as digits as its factorization.

13672721162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836360583.

The product of its digits is 42336, while the sum is 38.

The spelling of 13672721162 in words is "thirteen billion, six hundred seventy-two million, seven hundred twenty-one thousand, one hundred sixty-two".