16472094665 has 16 divisors (see below), whose sum is σ = 22539193488. Its totient is φ = 11448477696.

The previous prime is 16472094649. The next prime is 16472094677. The reversal of 16472094665 is 56649027461.

It can be written as a sum of positive squares in 8 ways, for example, as 100380361 + 16371714304 = 10019^2 + 127952^2 .

It is a cyclic number.

It is not a de Polignac number, because 16472094665 - 2⁴ = 16472094649 is a prime.

It is a Duffinian number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 7452332 + ... + 7454541.

It is an arithmetic number, because the mean of its divisors is an integer number (1408699593).

Almost surely, 2^16472094665 is an apocalyptic number.

It is an amenable number.

16472094665 is a deficient number, since it is larger than the sum of its proper divisors (6067098823).

16472094665 is a wasteful number, since it uses less digits than its factorization.

16472094665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906908.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 16472094665 in words is "sixteen billion, four hundred seventy-two million, ninety-four thousand, six hundred sixty-five".