16006600006 has 4 divisors (see below), whose sum is σ = 24009900012. Its totient is φ = 8003300002.

The previous prime is 16006600003. The next prime is 16006600009. The reversal of 16006600006 is 60000660061.

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

It is an interprime number because it is at equal distance from previous prime (16006600003) and next prime (16006600009).

It is a super-2 number, since 2×16006600006² (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 (16006600003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4001650000 + ... + 4001650003.

It is an arithmetic number, because the mean of its divisors is an integer number (6002475003).

Almost surely, 2^16006600006 is an apocalyptic number.

16006600006 is a deficient number, since it is larger than the sum of its proper divisors (8003300006).

16006600006 is an equidigital number, since it uses as much as digits as its factorization.

16006600006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003300005.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 16006600006 in words is "sixteen billion, six million, six hundred thousand, six".