16906344365 has 32 divisors (see below), whose sum is σ = 21666839040. Its totient is φ = 12619782144.

The previous prime is 16906344353. The next prime is 16906344401. The reversal of 16906344365 is 56344360961.

It is a cyclic number.

It is not a de Polignac number, because 16906344365 - 2¹⁰ = 16906343341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6230249 + ... + 6232961.

It is an arithmetic number, because the mean of its divisors is an integer number (677088720).

Almost surely, 2^16906344365 is an apocalyptic number.

It is an amenable number.

16906344365 is a deficient number, since it is larger than the sum of its proper divisors (4760494675).

16906344365 is a wasteful number, since it uses less digits than its factorization.

16906344365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 16906344365 in words is "sixteen billion, nine hundred six million, three hundred forty-four thousand, three hundred sixty-five".