994180000173 has 32 divisors (see below), whose sum is σ = 1404508262400. Its totient is φ = 623779206336.

The previous prime is 994180000141. The next prime is 994180000189. The reversal of 994180000173 is 371000081499.

It is a happy number.

It is not a de Polignac number, because 994180000173 - 2⁵ = 994180000141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994180000573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68354140 + ... + 68368682.

It is an arithmetic number, because the mean of its divisors is an integer number (43890883200).

Almost surely, 2^994180000173 is an apocalyptic number.

It is an amenable number.

994180000173 is a deficient number, since it is larger than the sum of its proper divisors (410328262227).

994180000173 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (994180000172) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (22361).

994180000173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22361.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 994180000173 in words is "nine hundred ninety-four billion, one hundred eighty million, one hundred seventy-three", and thus it is an aban number.