16123615881841 has 8 divisors (see below), whose sum is σ = 17460899023680. Its totient is φ = 14800190596752.

The previous prime is 16123615881761. The next prime is 16123615881847. The reversal of 16123615881841 is 14818851632161.

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 16123615881841 - 2⁷ = 16123615881713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16123615881847) 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, 3464461765 + ... + 3464466418.

It is an arithmetic number, because the mean of its divisors is an integer number (2182612377960).

Almost surely, 2^{16123615881841} is an apocalyptic number.

It is an amenable number.

16123615881841 is a deficient number, since it is larger than the sum of its proper divisors (1337283141839).

16123615881841 is a wasteful number, since it uses less digits than its factorization.

16123615881841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928928375.

The product of its digits is 2211840, while the sum is 55.

The spelling of 16123615881841 in words is "sixteen trillion, one hundred twenty-three billion, six hundred fifteen million, eight hundred eighty-one thousand, eight hundred forty-one".