163326654160 has 80 divisors (see below), whose sum is σ = 381412463040. Its totient is φ = 65042611200.

The previous prime is 163326654149. The next prime is 163326654163. The reversal of 163326654160 is 61456623361.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163326654163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18217839 + ... + 18226801.

It is an arithmetic number, because the mean of its divisors is an integer number (4767655788).

Almost surely, 2^163326654160 is an apocalyptic number.

163326654160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163326654160 is an abundant number, since it is smaller than the sum of its proper divisors (218085808880).

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

163326654160 is a wasteful number, since it uses less digits than its factorization.

163326654160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956 (or 9950 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 163326654160 in words is "one hundred sixty-three billion, three hundred twenty-six million, six hundred fifty-four thousand, one hundred sixty".