163750431655460 has 768 divisors, whose sum is σ = 416934573834240. Its totient is φ = 53440812564480.

The previous prime is 163750431655453. The next prime is 163750431655477. The reversal of 163750431655460 is 64556134057361.

It is a super-2 number, since 2×163750431655460² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163750431655396 and 163750431655405.

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 591156792842 + ... + 591156793118.

It is an arithmetic number, because the mean of its divisors is an integer number (542883559680).

Almost surely, 2^{163750431655460} is an apocalyptic number.

163750431655460 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 163750431655460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208467286917120).

163750431655460 is an abundant number, since it is smaller than the sum of its proper divisors (253184142178780).

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

163750431655460 is a wasteful number, since it uses less digits than its factorization.

163750431655460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 56.

The spelling of 163750431655460 in words is "one hundred sixty-three trillion, seven hundred fifty billion, four hundred thirty-one million, six hundred fifty-five thousand, four hundred sixty".