673244820178 has 16 divisors (see below), whose sum is σ = 1154182345344. Its totient is φ = 288521402400.

The previous prime is 673244820163. The next prime is 673244820179. The reversal of 673244820178 is 871028442376.

It is not an unprimeable number, because it can be changed into a prime (673244820179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657475 + ... + 1333702.

It is an arithmetic number, because the mean of its divisors is an integer number (72136396584).

Almost surely, 2^673244820178 is an apocalyptic number.

673244820178 is a deficient number, since it is larger than the sum of its proper divisors (480937525166).

673244820178 is a wasteful number, since it uses less digits than its factorization.

673244820178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015337.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 673244820178 in words is "six hundred seventy-three billion, two hundred forty-four million, eight hundred twenty thousand, one hundred seventy-eight".