16681918346110 has 16 divisors (see below), whose sum is σ = 30060559382256. Its totient is φ = 6665410369728.

The previous prime is 16681918346099. The next prime is 16681918346117. The reversal of 16681918346110 is 1164381918661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16681918346117) 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, 919611567 + ... + 919629706.

It is an arithmetic number, because the mean of its divisors is an integer number (1878784961391).

Almost surely, 2^{16681918346110} is an apocalyptic number.

16681918346110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16681918346110 is a deficient number, since it is larger than the sum of its proper divisors (13378641036146).

16681918346110 is a wasteful number, since it uses less digits than its factorization.

16681918346110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839242187.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The spelling of 16681918346110 in words is "sixteen trillion, six hundred eighty-one billion, nine hundred eighteen million, three hundred forty-six thousand, one hundred ten".