178371228152 has 16 divisors (see below), whose sum is σ = 360172672440. Its totient is φ = 82325182176.

The previous prime is 178371228151. The next prime is 178371228157. The reversal of 178371228152 is 251822173871.

178371228152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 178371228097 and 178371228106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (178371228151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857553878 + ... + 857554085.

Almost surely, 2^178371228152 is an apocalyptic number.

It is an amenable number.

178371228152 is an abundant number, since it is smaller than the sum of its proper divisors (181801444288).

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

178371228152 is a wasteful number, since it uses less digits than its factorization.

178371228152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715107982 (or 1715107978 counting only the distinct ones).

The product of its digits is 376320, while the sum is 47.

The spelling of 178371228152 in words is "one hundred seventy-eight billion, three hundred seventy-one million, two hundred twenty-eight thousand, one hundred fifty-two".