2175151672 has 16 divisors (see below), whose sum is σ = 4090516560. Its totient is φ = 1084347264.

The previous prime is 2175151621. The next prime is 2175151679. The reversal of 2175151672 is 2761515712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175151679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400708 + ... + 406099.

It is an arithmetic number, because the mean of its divisors is an integer number (255657285).

Almost surely, 2^2175151672 is an apocalyptic number.

It is an amenable number.

2175151672 is a deficient number, since it is larger than the sum of its proper divisors (1915364888).

2175151672 is a wasteful number, since it uses less digits than its factorization.

2175151672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807150 (or 807146 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 2175151672 is about 46638.5213316203. The cubic root of 2175151672 is about 1295.6763007427.

The spelling of 2175151672 in words is "two billion, one hundred seventy-five million, one hundred fifty-one thousand, six hundred seventy-two".