163429648256 has 96 divisors (see below), whose sum is σ = 380536881480. Its totient is φ = 69708764160.

The previous prime is 163429648237. The next prime is 163429648271. The reversal of 163429648256 is 652846924361.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261646 + ... + 1385138.

Almost surely, 2^163429648256 is an apocalyptic number.

163429648256 is a gapful number since it is divisible by the number (16) 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 163429648256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190268440740).

163429648256 is an abundant number, since it is smaller than the sum of its proper divisors (217107233224).

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

163429648256 is a wasteful number, since it uses less digits than its factorization.

163429648256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123732 (or 123713 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 56.

The spelling of 163429648256 in words is "one hundred sixty-three billion, four hundred twenty-nine million, six hundred forty-eight thousand, two hundred fifty-six".