16694620043 has 8 divisors (see below), whose sum is σ = 17013483648. Its totient is φ = 16375899904.

The previous prime is 16694620021. The next prime is 16694620049. The reversal of 16694620043 is 34002649661.

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 16694620043 - 2¹⁶ = 16694554507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16694620049) 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, 215771 + ... + 282747.

It is an arithmetic number, because the mean of its divisors is an integer number (2126685456).

Almost surely, 2^16694620043 is an apocalyptic number.

16694620043 is a deficient number, since it is larger than the sum of its proper divisors (318863605).

16694620043 is an equidigital number, since it uses as much as digits as its factorization.

16694620043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71733.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 16694620043 in words is "sixteen billion, six hundred ninety-four million, six hundred twenty thousand, forty-three".