16006245394 has 4 divisors (see below), whose sum is σ = 24009368094. Its totient is φ = 8003122696.

The previous prime is 16006245371. The next prime is 16006245401. The reversal of 16006245394 is 49354260061.

16006245394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14166950625 + 1839294769 = 119025^2 + 42887^2 .

It is a super-2 number, since 2×16006245394² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4001561347 + ... + 4001561350.

Almost surely, 2^16006245394 is an apocalyptic number.

16006245394 is a deficient number, since it is larger than the sum of its proper divisors (8003122700).

16006245394 is an equidigital number, since it uses as much as digits as its factorization.

16006245394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003122699.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 16006245394 in words is "sixteen billion, six million, two hundred forty-five thousand, three hundred ninety-four".