162642836 has 24 divisors (see below), whose sum is σ = 291038664. Its totient is φ = 79505280.

The previous prime is 162642829. The next prime is 162642839. The reversal of 162642836 is 638246261.

It can be written as a sum of positive squares in 4 ways, for example, as 63520900 + 99121936 = 7970^2 + 9956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162642836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162642839) 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, 40286 + ... + 44138.

It is an arithmetic number, because the mean of its divisors is an integer number (12126611).

Almost surely, 2^162642836 is an apocalyptic number.

It is an amenable number.

162642836 is a deficient number, since it is larger than the sum of its proper divisors (128395828).

162642836 is a wasteful number, since it uses less digits than its factorization.

162642836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091 (or 4089 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 162642836 is about 12753.1500422445. The cubic root of 162642836 is about 545.8562820852.

The spelling of 162642836 in words is "one hundred sixty-two million, six hundred forty-two thousand, eight hundred thirty-six".