168623362032 has 80 divisors (see below), whose sum is σ = 462690198432. Its totient is φ = 52734484480.

The previous prime is 168623362003. The next prime is 168623362073. The reversal of 168623362032 is 230263326861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67269 + ... + 584612.

Almost surely, 2^168623362032 is an apocalyptic number.

168623362032 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 168623362032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231345099216).

168623362032 is an abundant number, since it is smaller than the sum of its proper divisors (294066836400).

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

168623362032 is a wasteful number, since it uses less digits than its factorization.

168623362032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652226 (or 652220 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

Adding to 168623362032 its reverse (230263326861), we get a palindrome (398886688893).

The spelling of 168623362032 in words is "one hundred sixty-eight billion, six hundred twenty-three million, three hundred sixty-two thousand, thirty-two".