2108061664 has 24 divisors (see below), whose sum is σ = 4151648088. Its totient is φ = 1053674880.

The previous prime is 2108061587. The next prime is 2108061673. The reversal of 2108061664 is 4661608012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103179 + ... + 121909.

It is an arithmetic number, because the mean of its divisors is an integer number (172985337).

Almost surely, 2^2108061664 is an apocalyptic number.

It is an amenable number.

2108061664 is a deficient number, since it is larger than the sum of its proper divisors (2043586424).

2108061664 is a wasteful number, since it uses less digits than its factorization.

2108061664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22258 (or 22250 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2108061664 is about 45913.6326595925. The cubic root of 2108061664 is about 1282.2157390632.

Adding to 2108061664 its reverse (4661608012), we get a palindrome (6769669676).

The spelling of 2108061664 in words is "two billion, one hundred eight million, sixty-one thousand, six hundred sixty-four".