162644812 has 36 divisors (see below), whose sum is σ = 317329488. Its totient is φ = 72872800.

The previous prime is 162644777. The next prime is 162644813. The reversal of 162644812 is 218446261.

It is not an unprimeable number, because it can be changed into a prime (162644813) 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 11 ways as a sum of consecutive naturals, for example, 31998 + ... + 36730.

It is an arithmetic number, because the mean of its divisors is an integer number (8814708).

Almost surely, 2^162644812 is an apocalyptic number.

It is an amenable number.

162644812 is a deficient number, since it is larger than the sum of its proper divisors (154684676).

162644812 is a wasteful number, since it uses less digits than its factorization.

162644812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4817 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 162644812 is about 12753.2275130651. The cubic root of 162644812 is about 545.8584926706.

The spelling of 162644812 in words is "one hundred sixty-two million, six hundred forty-four thousand, eight hundred twelve".