163130712203256 has 128 divisors (see below), whose sum is σ = 477891002856960. Its totient is φ = 45430522214400.

The previous prime is 163130712203243. The next prime is 163130712203321. The reversal of 163130712203256 is 652302217031361.

It is a happy number.

It is a super-2 number, since 2×163130712203256² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3238450 + ... + 18350721.

It is an arithmetic number, because the mean of its divisors is an integer number (3733523459820).

Almost surely, 2^{163130712203256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163130712203256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238945501428480).

163130712203256 is an abundant number, since it is smaller than the sum of its proper divisors (314760290653704).

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

163130712203256 is a wasteful number, since it uses less digits than its factorization.

163130712203256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21590325 (or 21590321 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 163130712203256 in words is "one hundred sixty-three trillion, one hundred thirty billion, seven hundred twelve million, two hundred three thousand, two hundred fifty-six".