2186670071672 has 16 divisors (see below), whose sum is σ = 4146073873200. Its totient is φ = 1081050372160.

The previous prime is 2186670071659. The next prime is 2186670071701. The reversal of 2186670071672 is 2761700766812.

It is a happy number.

It is a super-4 number, since 4×2186670071672⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535582204 + ... + 1535583627.

It is an arithmetic number, because the mean of its divisors is an integer number (259129617075).

Almost surely, 2^{2186670071672} is an apocalyptic number.

It is an amenable number.

2186670071672 is a deficient number, since it is larger than the sum of its proper divisors (1959403801528).

2186670071672 is a wasteful number, since it uses less digits than its factorization.

2186670071672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071165926 (or 3071165922 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 2186670071672 in words is "two trillion, one hundred eighty-six billion, six hundred seventy million, seventy-one thousand, six hundred seventy-two".