16068394641 has 64 divisors (see below), whose sum is σ = 24227280896. Its totient is φ = 9405849600.

The previous prime is 16068394633. The next prime is 16068394649. The reversal of 16068394641 is 14649386061.

It is an interprime number because it is at equal distance from previous prime (16068394633) and next prime (16068394649).

It is not a de Polignac number, because 16068394641 - 2³ = 16068394633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16068394649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21226035 + ... + 21226791.

It is an arithmetic number, because the mean of its divisors is an integer number (378551264).

Almost surely, 2^16068394641 is an apocalyptic number.

It is an amenable number.

16068394641 is a deficient number, since it is larger than the sum of its proper divisors (8158886255).

16068394641 is a wasteful number, since it uses less digits than its factorization.

16068394641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 16068394641 in words is "sixteen billion, sixty-eight million, three hundred ninety-four thousand, six hundred forty-one".