2068416464 has 20 divisors (see below), whose sum is σ = 4008364356. Its totient is φ = 1033999872.

The previous prime is 2068416463. The next prime is 2068416479. The reversal of 2068416464 is 4646148602.

It can be written as a sum of positive squares in 2 ways, for example, as 282508864 + 1785907600 = 16808^2 + 42260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068416463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97082 + ... + 116454.

Almost surely, 2^2068416464 is an apocalyptic number.

It is an amenable number.

2068416464 is a deficient number, since it is larger than the sum of its proper divisors (1939947892).

2068416464 is a wasteful number, since it uses less digits than its factorization.

2068416464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26054 (or 26048 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 2068416464 is about 45479.8467895396. The cubic root of 2068416464 is about 1274.1268329425.

The spelling of 2068416464 in words is "two billion, sixty-eight million, four hundred sixteen thousand, four hundred sixty-four".