16116644366 has 4 divisors (see below), whose sum is σ = 24174966552. Its totient is φ = 8058322182.

The previous prime is 16116644347. The next prime is 16116644389. The reversal of 16116644366 is 66344661161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66344661161 = 83 ⋅799333267.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4029161090 + ... + 4029161093.

It is an arithmetic number, because the mean of its divisors is an integer number (6043741638).

Almost surely, 2^16116644366 is an apocalyptic number.

16116644366 is a deficient number, since it is larger than the sum of its proper divisors (8058322186).

16116644366 is an equidigital number, since it uses as much as digits as its factorization.

16116644366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058322185.

The product of its digits is 373248, while the sum is 44.

The spelling of 16116644366 in words is "sixteen billion, one hundred sixteen million, six hundred forty-four thousand, three hundred sixty-six".