2106361668 has 24 divisors (see below), whose sum is σ = 4939547200. Its totient is φ = 698591520.

The previous prime is 2106361667. The next prime is 2106361703. The reversal of 2106361668 is 8661636012.

It is not an unprimeable number, because it can be changed into a prime (2106361667) 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, 438643 + ... + 443418.

Almost surely, 2^2106361668 is an apocalyptic number.

It is an amenable number.

2106361668 is an abundant number, since it is smaller than the sum of its proper divisors (2833185532).

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

2106361668 is a wasteful number, since it uses less digits than its factorization.

2106361668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882267 (or 882265 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2106361668 is about 45895.1159493034. The cubic root of 2106361668 is about 1281.8709756143.

The spelling of 2106361668 in words is "two billion, one hundred six million, three hundred sixty-one thousand, six hundred sixty-eight".