162444533644 has 12 divisors (see below), whose sum is σ = 284468863000. Its totient is φ = 81167715648.

The previous prime is 162444533639. The next prime is 162444533659. The reversal of 162444533644 is 446335444261.

It is a junction number, because it is equal to n+sod(n) for n = 162444533594 and 162444533603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13631094 + ... + 13643005.

Almost surely, 2^162444533644 is an apocalyptic number.

It is an amenable number.

162444533644 is a deficient number, since it is larger than the sum of its proper divisors (122024329356).

162444533644 is a wasteful number, since it uses less digits than its factorization.

162444533644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27275592 (or 27275590 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 46.

The spelling of 162444533644 in words is "one hundred sixty-two billion, four hundred forty-four million, five hundred thirty-three thousand, six hundred forty-four".