163162421340 has 96 divisors (see below), whose sum is σ = 488077605120. Its totient is φ = 40604737536.

The previous prime is 163162421311. The next prime is 163162421341. The reversal of 163162421340 is 43124261361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163162421341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991717 + ... + 1144476.

It is an arithmetic number, because the mean of its divisors is an integer number (5084141720).

Almost surely, 2^163162421340 is an apocalyptic number.

163162421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163162421340 is an abundant number, since it is smaller than the sum of its proper divisors (324915183780).

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

163162421340 is a wasteful number, since it uses less digits than its factorization.

163162421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136291 (or 2136289 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 163162421340 in words is "one hundred sixty-three billion, one hundred sixty-two million, four hundred twenty-one thousand, three hundred forty".