2068558696 has 8 divisors (see below), whose sum is σ = 3878547570. Its totient is φ = 1034279344.

The previous prime is 2068558643. The next prime is 2068558697. The reversal of 2068558696 is 6968558602.

It can be written as a sum of positive squares in only one way, i.e., 1790136100 + 278422596 = 42310^2 + 16686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2068558697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129284911 + ... + 129284926.

Almost surely, 2^2068558696 is an apocalyptic number.

It is an amenable number.

2068558696 is a deficient number, since it is larger than the sum of its proper divisors (1809988874).

2068558696 is a wasteful number, since it uses less digits than its factorization.

2068558696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258569843 (or 258569839 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The square root of 2068558696 is about 45481.4104442683. The cubic root of 2068558696 is about 1274.1560368379.

The spelling of 2068558696 in words is "two billion, sixty-eight million, five hundred fifty-eight thousand, six hundred ninety-six".