16681062343 has 8 divisors (see below), whose sum is σ = 18276990480. Its totient is φ = 15098378880.

The previous prime is 16681062329. The next prime is 16681062347. The reversal of 16681062343 is 34326018661.

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 16681062343 - 2⁵ = 16681062311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16681062296 and 16681062305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16681062347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308530 + ... + 3313567.

It is an arithmetic number, because the mean of its divisors is an integer number (2284623810).

Almost surely, 2^16681062343 is an apocalyptic number.

16681062343 is a deficient number, since it is larger than the sum of its proper divisors (1595928137).

16681062343 is a wasteful number, since it uses less digits than its factorization.

16681062343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622337.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 16681062343 in words is "sixteen billion, six hundred eighty-one million, sixty-two thousand, three hundred forty-three".