163812052080 has 160 divisors (see below), whose sum is σ = 568549681920. Its totient is φ = 43349679360.

The previous prime is 163812052073. The next prime is 163812052111. The reversal of 163812052080 is 80250218361.

It is a happy number.

163812052080 is a `hidden beast` number, since 1 + 6 + 3 + 8 + 120 + 520 + 8 + 0 = 666.

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

It is a congruent number.

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, 6502 + ... + 572421.

It is an arithmetic number, because the mean of its divisors is an integer number (3553435512).

Almost surely, 2^163812052080 is an apocalyptic number.

163812052080 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 163812052080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284274840960).

163812052080 is an abundant number, since it is smaller than the sum of its proper divisors (404737629840).

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

163812052080 is a wasteful number, since it uses less digits than its factorization.

163812052080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579076 (or 579064 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 163812052080 in words is "one hundred sixty-three billion, eight hundred twelve million, fifty-two thousand, eighty".