178949327136 has 72 divisors (see below), whose sum is σ = 498999347280. Its totient is φ = 56140956672.

The previous prime is 178949327099. The next prime is 178949327149. The reversal of 178949327136 is 631723949871.

It is a self number, because there is not a number n which added to its sum of digits gives 178949327136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3197266 + ... + 3252753.

It is an arithmetic number, because the mean of its divisors is an integer number (6930546490).

Almost surely, 2^178949327136 is an apocalyptic number.

178949327136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

178949327136 is an abundant number, since it is smaller than the sum of its proper divisors (320050020144).

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

178949327136 is a wasteful number, since it uses less digits than its factorization.

178949327136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450066 (or 6450041 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The spelling of 178949327136 in words is "one hundred seventy-eight billion, nine hundred forty-nine million, three hundred twenty-seven thousand, one hundred thirty-six".