2106535671 has 24 divisors (see below), whose sum is σ = 3223868544. Its totient is φ = 1320883200.

The previous prime is 2106535667. The next prime is 2106535699. The reversal of 2106535671 is 1765356012.

It is not a de Polignac number, because 2106535671 - 2² = 2106535667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106535771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294975 + ... + 302031.

It is an arithmetic number, because the mean of its divisors is an integer number (134327856).

Almost surely, 2^2106535671 is an apocalyptic number.

2106535671 is a deficient number, since it is larger than the sum of its proper divisors (1117332873).

2106535671 is a wasteful number, since it uses less digits than its factorization.

2106535671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2106535671 is about 45897.0115693822. The cubic root of 2106535671 is about 1281.9062723786.

The spelling of 2106535671 in words is "two billion, one hundred six million, five hundred thirty-five thousand, six hundred seventy-one".