162277256020 has 96 divisors (see below), whose sum is σ = 376595122176. Its totient is φ = 58246569600.

The previous prime is 162277256017. The next prime is 162277256041. The reversal of 162277256020 is 20652772261.

162277256020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7035747 + ... + 7058773.

It is an arithmetic number, because the mean of its divisors is an integer number (3922865856).

Almost surely, 2^162277256020 is an apocalyptic number.

162277256020 is a gapful number since it is divisible by the number (10) 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 162277256020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188297561088).

162277256020 is an abundant number, since it is smaller than the sum of its proper divisors (214317866156).

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

162277256020 is a wasteful number, since it uses less digits than its factorization.

162277256020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23461 (or 23459 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 162277256020 in words is "one hundred sixty-two billion, two hundred seventy-seven million, two hundred fifty-six thousand, twenty".