163967711232 has 288 divisors, whose sum is σ = 487759512240. Its totient is φ = 48691937280.

The previous prime is 163967711221. The next prime is 163967711233. The reversal of 163967711232 is 232117769361.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163967711233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67171132 + ... + 67173572.

Almost surely, 2^163967711232 is an apocalyptic number.

163967711232 is a gapful number since it is divisible by the number (12) 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 163967711232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243879756120).

163967711232 is an abundant number, since it is smaller than the sum of its proper divisors (323791801008).

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

163967711232 is a wasteful number, since it uses less digits than its factorization.

163967711232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2488 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The spelling of 163967711232 in words is "one hundred sixty-three billion, nine hundred sixty-seven million, seven hundred eleven thousand, two hundred thirty-two".