2106671671 has 8 divisors (see below), whose sum is σ = 2402177904. Its totient is φ = 1830230400.

The previous prime is 2106671659. The next prime is 2106671779. The reversal of 2106671671 is 1761766012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2106671671 - 2⁵ = 2106671639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106671671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106671071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4766005 + ... + 4766446.

It is an arithmetic number, because the mean of its divisors is an integer number (300272238).

Almost surely, 2^2106671671 is an apocalyptic number.

2106671671 is a deficient number, since it is larger than the sum of its proper divisors (295506233).

2106671671 is a wasteful number, since it uses less digits than its factorization.

2106671671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532481.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 2106671671 is about 45898.4931234131. The cubic root of 2106671671 is about 1281.9338588252.

The spelling of 2106671671 in words is "two billion, one hundred six million, six hundred seventy-one thousand, six hundred seventy-one".