162021123342 has 112 divisors (see below), whose sum is σ = 396082476720. Its totient is φ = 49386122496.

The previous prime is 162021123293. The next prime is 162021123353. The reversal of 162021123342 is 243321120261.

162021123342 is a `hidden beast` number, since 1 + 6 + 202 + 112 + 3 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1988134 + ... + 2068022.

It is an arithmetic number, because the mean of its divisors is an integer number (3536450685).

Almost surely, 2^162021123342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162021123342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198041238360).

162021123342 is an abundant number, since it is smaller than the sum of its proper divisors (234061353378).

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

162021123342 is a wasteful number, since it uses less digits than its factorization.

162021123342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80029 (or 80014 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 162021123342 in words is "one hundred sixty-two billion, twenty-one million, one hundred twenty-three thousand, three hundred forty-two".