162154840272 has 160 divisors (see below), whose sum is σ = 446988533760. Its totient is φ = 50478274560.

The previous prime is 162154840247. The next prime is 162154840291. The reversal of 162154840272 is 272048451261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65942179 + ... + 65944637.

It is an arithmetic number, because the mean of its divisors is an integer number (2793678336).

Almost surely, 2^162154840272 is an apocalyptic number.

162154840272 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 162154840272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223494266880).

162154840272 is an abundant number, since it is smaller than the sum of its proper divisors (284833693488).

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

162154840272 is a wasteful number, since it uses less digits than its factorization.

162154840272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081 (or 3075 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 162154840272 in words is "one hundred sixty-two billion, one hundred fifty-four million, eight hundred forty thousand, two hundred seventy-two".