163234366464 has 352 divisors, whose sum is σ = 496002576384. Its totient is φ = 47346647040.

The previous prime is 163234366457. The next prime is 163234366507. The reversal of 163234366464 is 464663432361.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

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, 65214237 + ... + 65216739.

Almost surely, 2^163234366464 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 163234366464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248001288192).

163234366464 is an abundant number, since it is smaller than the sum of its proper divisors (332768209920).

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

163234366464 is a wasteful number, since it uses less digits than its factorization.

163234366464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2615 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 48.

The spelling of 163234366464 in words is "one hundred sixty-three billion, two hundred thirty-four million, three hundred sixty-six thousand, four hundred sixty-four".