162287946240 has 320 divisors, whose sum is σ = 612063682560. Its totient is φ = 35897425920.

The previous prime is 162287946239. The next prime is 162287946253. The reversal of 162287946240 is 42649782261.

It is a tau number, because it is divible by the number of its divisors (320).

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, 1617871 + ... + 1715249.

It is an arithmetic number, because the mean of its divisors is an integer number (1912699008).

Almost surely, 2^162287946240 is an apocalyptic number.

162287946240 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 162287946240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306031841280).

162287946240 is an abundant number, since it is smaller than the sum of its proper divisors (449775736320).

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

162287946240 is an equidigital number, since it uses as much as digits as its factorization.

162287946240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97443 (or 97427 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 162287946240 in words is "one hundred sixty-two billion, two hundred eighty-seven million, nine hundred forty-six thousand, two hundred forty".