162722286720 has 768 divisors, whose sum is σ = 701095449600. Its totient is φ = 35231625216.

The previous prime is 162722286707. The next prime is 162722286743. The reversal of 162722286720 is 27682227261.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20680227 + ... + 20688093.

It is an arithmetic number, because the mean of its divisors is an integer number (912884700).

Almost surely, 2^162722286720 is an apocalyptic number.

162722286720 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 162722286720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350547724800).

162722286720 is an abundant number, since it is smaller than the sum of its proper divisors (538373162880).

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

162722286720 is an equidigital number, since it uses as much as digits as its factorization.

162722286720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 162722286720 in words is "one hundred sixty-two billion, seven hundred twenty-two million, two hundred eighty-six thousand, seven hundred twenty".