3180006172 has 18 divisors (see below), whose sum is σ = 6360609192. Its totient is φ = 1362731904.

The previous prime is 3180006163. The next prime is 3180006187. The reversal of 3180006172 is 2716000813.

3180006172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3180006172² = 20224878507916187168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 3180006172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293068 + ... + 303724.

Almost surely, 2^3180006172 is an apocalyptic number.

It is an amenable number.

3180006172 is an abundant number, since it is smaller than the sum of its proper divisors (3180603020).

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

3180006172 is an frugal number, since it uses more digits than its factorization.

3180006172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21325 (or 10666 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 3180006172 is about 56391.5434440307. The cubic root of 3180006172 is about 1470.5371063961.

Multiplying 3180006172 by its sum of digits (28), we get a square (89040172816 = 298396²).

3180006172 divided by its sum of digits (28) gives a square (113571649 = 10657²).

Adding to 3180006172 its reverse (2716000813), we get a palindrome (5896006985).

The spelling of 3180006172 in words is "three billion, one hundred eighty million, six thousand, one hundred seventy-two".