2671227156690 has 48 divisors (see below), whose sum is σ = 6945543423000. Its totient is φ = 712291055616.

The previous prime is 2671227156679. The next prime is 2671227156733. The reversal of 2671227156690 is 966517221762.

It is a happy number.

2671227156690 is a `hidden beast` number, since 2 + 6 + 7 + 1 + 2 + 2 + 71 + 566 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 696361877289 + 1974865279401 = 834483^2 + 1405299^2 .

It is a super-2 number, since 2×2671227156690² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1051506 + ... + 2539314.

Almost surely, 2^{2671227156690} is an apocalyptic number.

2671227156690 is an abundant number, since it is smaller than the sum of its proper divisors (4274316266310).

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

2671227156690 is a wasteful number, since it uses less digits than its factorization.

2671227156690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507771 (or 1507768 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 2671227156690 in words is "two trillion, six hundred seventy-one billion, two hundred twenty-seven million, one hundred fifty-six thousand, six hundred ninety".