162487081440 has 576 divisors, whose sum is σ = 577992070656. Its totient is φ = 41547534336.

The previous prime is 162487081439. The next prime is 162487081457. The reversal of 162487081440 is 44180784261.

162487081440 is a `hidden beast` number, since 1 + 62 + 4 + 8 + 70 + 81 + 440 = 666.

162487081440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 95 ways as a sum of consecutive naturals, for example, 824807422 + ... + 824807618.

It is an arithmetic number, because the mean of its divisors is an integer number (1003458456).

Almost surely, 2^162487081440 is an apocalyptic number.

162487081440 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 162487081440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288996035328).

162487081440 is an abundant number, since it is smaller than the sum of its proper divisors (415504989216).

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

162487081440 is a wasteful number, since it uses less digits than its factorization.

162487081440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 162487081440 in words is "one hundred sixty-two billion, four hundred eighty-seven million, eighty-one thousand, four hundred forty".