162174158738 has 4 divisors (see below), whose sum is σ = 243261238110. Its totient is φ = 81087079368.

The previous prime is 162174158683. The next prime is 162174158753. The reversal of 162174158738 is 837851471261.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 114925746049 + 47248412689 = 339007^2 + 217367^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162174158738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40543539683 + ... + 40543539686.

Almost surely, 2^162174158738 is an apocalyptic number.

162174158738 is a deficient number, since it is larger than the sum of its proper divisors (81087079372).

162174158738 is an equidigital number, since it uses as much as digits as its factorization.

162174158738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81087079371.

The product of its digits is 2257920, while the sum is 53.

The spelling of 162174158738 in words is "one hundred sixty-two billion, one hundred seventy-four million, one hundred fifty-eight thousand, seven hundred thirty-eight".