162705157656 has 72 divisors (see below), whose sum is σ = 410436559260. Its totient is φ = 53749593600.

The previous prime is 162705157649. The next prime is 162705157679. The reversal of 162705157656 is 656751507261.

162705157656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 162705157599 and 162705157608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 270723756 + ... + 270724356.

Almost surely, 2^162705157656 is an apocalyptic number.

It is an amenable number.

162705157656 is an abundant number, since it is smaller than the sum of its proper divisors (247731401604).

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

162705157656 is an frugal number, since it uses more digits than its factorization.

162705157656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 162705157656 in words is "one hundred sixty-two billion, seven hundred five million, one hundred fifty-seven thousand, six hundred fifty-six".