179938919468 has 72 divisors (see below), whose sum is σ = 400013460000. Its totient is φ = 69318247680.

The previous prime is 179938919441. The next prime is 179938919497. The reversal of 179938919468 is 864919839971.

It is a super-2 number, since 2×179938919468² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 179938919395 and 179938919404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3158 + ... + 599906.

It is an arithmetic number, because the mean of its divisors is an integer number (5555742500).

Almost surely, 2^179938919468 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 179938919468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200006730000).

179938919468 is an abundant number, since it is smaller than the sum of its proper divisors (220074540532).

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

179938919468 is a wasteful number, since it uses less digits than its factorization.

179938919468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596871 (or 596858 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 74.

The spelling of 179938919468 in words is "one hundred seventy-nine billion, nine hundred thirty-eight million, nine hundred nineteen thousand, four hundred sixty-eight".