16279645606 has 16 divisors (see below), whose sum is σ = 28195677216. Its totient is φ = 6905062656.

The previous prime is 16279645597. The next prime is 16279645609. The reversal of 16279645606 is 60654697261.

It is a happy number.

It is a super-2 number, since 2×16279645606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16279645609) 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, 5992621 + ... + 5995336.

It is an arithmetic number, because the mean of its divisors is an integer number (1762229826).

Almost surely, 2^16279645606 is an apocalyptic number.

16279645606 is a deficient number, since it is larger than the sum of its proper divisors (11916031610).

16279645606 is a wasteful number, since it uses less digits than its factorization.

16279645606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988063.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 16279645606 in words is "sixteen billion, two hundred seventy-nine million, six hundred forty-five thousand, six hundred six".