16860806641 has 8 divisors (see below), whose sum is σ = 19352196864. Its totient is φ = 14390092320.

The previous prime is 16860806623. The next prime is 16860806657. The reversal of 16860806641 is 14660806861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16860806641 - 2⁷ = 16860806513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16860806591 and 16860806600.

It is not an unprimeable number, because it can be changed into a prime (16860806671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5167225 + ... + 5170486.

It is an arithmetic number, because the mean of its divisors is an integer number (2419024608).

Almost surely, 2^16860806641 is an apocalyptic number.

It is an amenable number.

16860806641 is a deficient number, since it is larger than the sum of its proper divisors (2491390223).

16860806641 is a wasteful number, since it uses less digits than its factorization.

16860806641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337951.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 16860806641 in words is "sixteen billion, eight hundred sixty million, eight hundred six thousand, six hundred forty-one".