162643722080 has 384 divisors, whose sum is σ = 464300605440. Its totient is φ = 52671928320.

The previous prime is 162643722053. The next prime is 162643722113. The reversal of 162643722080 is 80227346261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323347109 + ... + 323347611.

It is an arithmetic number, because the mean of its divisors is an integer number (1209116160).

Almost surely, 2^162643722080 is an apocalyptic number.

162643722080 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 162643722080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232150302720).

162643722080 is an abundant number, since it is smaller than the sum of its proper divisors (301656883360).

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

162643722080 is a wasteful number, since it uses less digits than its factorization.

162643722080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 162643722080 in words is "one hundred sixty-two billion, six hundred forty-three million, seven hundred twenty-two thousand, eighty".