16516047066 has 8 divisors (see below), whose sum is σ = 33032094144. Its totient is φ = 5505349020.

The previous prime is 16516047049. The next prime is 16516047083. The reversal of 16516047066 is 66074061561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16516047049) and next prime (16516047083).

It is a sphenic number, since it is the product of 3 distinct primes.

16516047066 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1376337250 + ... + 1376337261.

It is an arithmetic number, because the mean of its divisors is an integer number (4129011768).

Almost surely, 2^16516047066 is an apocalyptic number.

16516047066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16516047066 is a wasteful number, since it uses less digits than its factorization.

16516047066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752674516.

The product of its (nonzero) digits is 181440, while the sum is 42.

It can be divided in two parts, 165160 and 47066, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 16516047066 in words is "sixteen billion, five hundred sixteen million, forty-seven thousand, sixty-six".