5185670172 has 12 divisors (see below), whose sum is σ = 12099897096. Its totient is φ = 1728556720.

The previous prime is 5185670131. The next prime is 5185670179. The reversal of 5185670172 is 2710765815.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185670179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216069579 + ... + 216069602.

It is an arithmetic number, because the mean of its divisors is an integer number (1008324758).

Almost surely, 2^5185670172 is an apocalyptic number.

It is an amenable number.

5185670172 is an abundant number, since it is smaller than the sum of its proper divisors (6914226924).

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

5185670172 is a wasteful number, since it uses less digits than its factorization.

5185670172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432139188 (or 432139186 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 5185670172 is about 72011.5974826278. The cubic root of 5185670172 is about 1730.8853289837.

The spelling of 5185670172 in words is "five billion, one hundred eighty-five million, six hundred seventy thousand, one hundred seventy-two".