162681268 has 12 divisors (see below), whose sum is σ = 299676160. Its totient is φ = 77059512.

The previous prime is 162681263. The next prime is 162681283. The reversal of 162681268 is 862186261.

It is a self number, because there is not a number n which added to its sum of digits gives 162681268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162681263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070196 + ... + 1070347.

Almost surely, 2^162681268 is an apocalyptic number.

It is an amenable number.

162681268 is a deficient number, since it is larger than the sum of its proper divisors (136994892).

162681268 is a wasteful number, since it uses less digits than its factorization.

162681268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140566 (or 2140564 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 162681268 is about 12754.6567182343. The cubic root of 162681268 is about 545.8992734172.

The spelling of 162681268 in words is "one hundred sixty-two million, six hundred eighty-one thousand, two hundred sixty-eight".