16668302861 has 8 divisors (see below), whose sum is σ = 19050288960. Its totient is φ = 14286516768.

The previous prime is 16668302857. The next prime is 16668302863. The reversal of 16668302861 is 16820386661.

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 16668302861 - 2² = 16668302857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668302863) 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, 243305 + ... + 304193.

It is an arithmetic number, because the mean of its divisors is an integer number (2381286120).

Almost surely, 2^16668302861 is an apocalyptic number.

It is an amenable number.

16668302861 is a deficient number, since it is larger than the sum of its proper divisors (2381986099).

16668302861 is an equidigital number, since it uses as much as digits as its factorization.

16668302861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100003.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 16668302861 in words is "sixteen billion, six hundred sixty-eight million, three hundred two thousand, eight hundred sixty-one".