162536644 has 6 divisors (see below), whose sum is σ = 284439134. Its totient is φ = 81268320.

The previous prime is 162536641. The next prime is 162536657. The reversal of 162536644 is 446635261.

162536644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 95296644 + 67240000 = 9762^2 + 8200^2 .

It is not an unprimeable number, because it can be changed into a prime (162536641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20317077 + ... + 20317084.

Almost surely, 2^162536644 is an apocalyptic number.

It is an amenable number.

162536644 is a deficient number, since it is larger than the sum of its proper divisors (121902490).

162536644 is a wasteful number, since it uses less digits than its factorization.

162536644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40634165 (or 40634163 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 162536644 is about 12748.9859988942. The cubic root of 162536644 is about 545.7374569101.

The spelling of 162536644 in words is "one hundred sixty-two million, five hundred thirty-six thousand, six hundred forty-four".