16669650023 has 8 divisors (see below), whose sum is σ = 17954248368. Its totient is φ = 15385382784.

The previous prime is 16669650017. The next prime is 16669650073. The reversal of 16669650023 is 32005696661.

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

It is a cyclic number.

It is not a de Polignac number, because 16669650023 - 2¹⁶ = 16669584487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16669650073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27215 + ... + 184607.

It is an arithmetic number, because the mean of its divisors is an integer number (2244281046).

Almost surely, 2^16669650023 is an apocalyptic number.

16669650023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16669650023 is a deficient number, since it is larger than the sum of its proper divisors (1284598345).

16669650023 is a wasteful number, since it uses less digits than its factorization.

16669650023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165553.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 16669650023 in words is "sixteen billion, six hundred sixty-nine million, six hundred fifty thousand, twenty-three".