27162129842 has 8 divisors (see below), whose sum is σ = 40792823532. Its totient is φ = 13564522000.

The previous prime is 27162129821. The next prime is 27162129871. The reversal of 27162129842 is 24892126172.

It can be written as a sum of positive squares in 2 ways, for example, as 21079845721 + 6082284121 = 145189^2 + 77989^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27162129793 and 27162129802.

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, 8269409 + ... + 8272692.

Almost surely, 2^27162129842 is an apocalyptic number.

27162129842 is a deficient number, since it is larger than the sum of its proper divisors (13630693690).

27162129842 is a wasteful number, since it uses less digits than its factorization.

27162129842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542924.

The product of its digits is 193536, while the sum is 44.

The spelling of 27162129842 in words is "twenty-seven billion, one hundred sixty-two million, one hundred twenty-nine thousand, eight hundred forty-two".