163295664 has 80 divisors (see below), whose sum is σ = 484754688. Its totient is φ = 46400256.

The previous prime is 163295663. The next prime is 163295681. The reversal of 163295664 is 466592361.

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

It is not an unprimeable number, because it can be changed into a prime (163295663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64959 + ... + 67425.

Almost surely, 2^163295664 is an apocalyptic number.

163295664 is a gapful number since it is divisible by the number (14) 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 163295664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242377344).

163295664 is an abundant number, since it is smaller than the sum of its proper divisors (321459024).

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

163295664 is a wasteful number, since it uses less digits than its factorization.

163295664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2676 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 163295664 is about 12778.7191846444. The cubic root of 163295664 is about 546.5856400498.

The spelling of 163295664 in words is "one hundred sixty-three million, two hundred ninety-five thousand, six hundred sixty-four".