994180000172 has 24 divisors (see below), whose sum is σ = 1740849969600. Its totient is φ = 496794384000.

The previous prime is 994180000141. The next prime is 994180000189. The reversal of 994180000172 is 271000081499.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92056829 + ... + 92067627.

It is an arithmetic number, because the mean of its divisors is an integer number (72535415400).

Almost surely, 2^994180000172 is an apocalyptic number.

It is an amenable number.

994180000172 is a deficient number, since it is larger than the sum of its proper divisors (746669969428).

994180000172 is a wasteful number, since it uses less digits than its factorization.

With its successor (994180000173) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (22361).

994180000172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22361 (or 22359 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 994180000172 in words is "nine hundred ninety-four billion, one hundred eighty million, one hundred seventy-two", and thus it is an aban number.