180996378 has 32 divisors (see below), whose sum is σ = 378815616. Its totient is φ = 57590208.

The previous prime is 180996371. The next prime is 180996379. The reversal of 180996378 is 873699081.

It is a self number, because there is not a number n which added to its sum of digits gives 180996378.

It is not an unprimeable number, because it can be changed into a prime (180996371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4075 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (11837988).

Almost surely, 2^180996378 is an apocalyptic number.

180996378 is an abundant number, since it is smaller than the sum of its proper divisors (197819238).

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

180996378 is a wasteful number, since it uses less digits than its factorization.

180996378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15478.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 180996378 is about 13453.4894358304. The cubic root of 180996378 is about 565.6615093718.

The spelling of 180996378 in words is "one hundred eighty million, nine hundred ninety-six thousand, three hundred seventy-eight".