163452453120 has 1296 divisors, whose sum is σ = 666159189696. Its totient is φ = 38320128000.

The previous prime is 163452453107. The next prime is 163452453161. The reversal of 163452453120 is 21354254361.

163452453120 is a `hidden beast` number, since 1 + 6 + 3 + 4 + 524 + 5 + 3 + 120 = 666.

163452453120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1618341070 + ... + 1618341170.

Almost surely, 2^163452453120 is an apocalyptic number.

163452453120 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 163452453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333079594848).

163452453120 is an abundant number, since it is smaller than the sum of its proper divisors (502706736576).

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

163452453120 is a wasteful number, since it uses less digits than its factorization.

163452453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 163452453120 in words is "one hundred sixty-three billion, four hundred fifty-two million, four hundred fifty-three thousand, one hundred twenty".