162561739206 has 96 divisors (see below), whose sum is σ = 342345058848. Its totient is φ = 51452477440.

The previous prime is 162561739189. The next prime is 162561739211. The reversal of 162561739206 is 602937165261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78116086 + ... + 78118166.

It is an arithmetic number, because the mean of its divisors is an integer number (3566094363).

Almost surely, 2^162561739206 is an apocalyptic number.

162561739206 is an abundant number, since it is smaller than the sum of its proper divisors (179783319642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162561739206 is a wasteful number, since it uses less digits than its factorization.

162561739206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 162561739206 in words is "one hundred sixty-two billion, five hundred sixty-one million, seven hundred thirty-nine thousand, two hundred six".