162772549632 has 468 divisors, whose sum is σ = 596732009796. Its totient is φ = 42278584320.

The previous prime is 162772549619. The next prime is 162772549669. The reversal of 162772549632 is 236945277261.

162772549632 is a `hidden beast` number, since 1 + 6 + 27 + 72 + 549 + 6 + 3 + 2 = 666.

Its product of digits (7620480) is a multiple of the sum of its prime factors (81).

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, 14797504507 + ... + 14797504517.

It is an arithmetic number, because the mean of its divisors is an integer number (1275068397).

Almost surely, 2^162772549632 is an apocalyptic number.

162772549632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162772549632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298366004898).

162772549632 is an abundant number, since it is smaller than the sum of its proper divisors (433959460164).

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

162772549632 is an frugal number, since it uses more digits than its factorization.

162772549632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 23 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 162772549632 in words is "one hundred sixty-two billion, seven hundred seventy-two million, five hundred forty-nine thousand, six hundred thirty-two".