178130016 has 120 divisors (see below), whose sum is σ = 551600280. Its totient is φ = 56236032.

The previous prime is 178129981. The next prime is 178130023. The reversal of 178130016 is 610031871.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47440 + ... + 51056.

It is an arithmetic number, because the mean of its divisors is an integer number (4596669).

Almost surely, 2^178130016 is an apocalyptic number.

178130016 is a gapful number since it is divisible by the number (16) 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 178130016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275800140).

178130016 is an abundant number, since it is smaller than the sum of its proper divisors (373470264).

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

178130016 is a wasteful number, since it uses less digits than its factorization.

178130016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 178130016 is about 13346.5357302935. The cubic root of 178130016 is about 562.6595600679.

Adding to 178130016 its reverse (610031871), we get a palindrome (788161887).

The spelling of 178130016 in words is "one hundred seventy-eight million, one hundred thirty thousand, sixteen".