2068602664 has 16 divisors (see below), whose sum is σ = 3900061620. Its totient is φ = 1028586240.

The previous prime is 2068602661. The next prime is 2068602671. The reversal of 2068602664 is 4662068602.

It can be written as a sum of positive squares in 2 ways, for example, as 2037800164 + 30802500 = 45142^2 + 5550^2 .

It is not an unprimeable number, because it can be changed into a prime (2068602661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712849 + ... + 715744.

Almost surely, 2^2068602664 is an apocalyptic number.

It is an amenable number.

2068602664 is a deficient number, since it is larger than the sum of its proper divisors (1831458956).

2068602664 is a wasteful number, since it uses less digits than its factorization.

2068602664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428780 (or 1428776 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2068602664 is about 45481.8938040183. The cubic root of 2068602664 is about 1274.1650643306.

The spelling of 2068602664 in words is "two billion, sixty-eight million, six hundred two thousand, six hundred sixty-four".