16617841405 has 16 divisors (see below), whose sum is σ = 22284859968. Its totient is φ = 11790928000.

The previous prime is 16617841379. The next prime is 16617841423. The reversal of 16617841405 is 50414871661.

It is not a de Polignac number, because 16617841405 - 2¹³ = 16617833213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682411 + ... + 3686920.

It is an arithmetic number, because the mean of its divisors is an integer number (1392803748).

Almost surely, 2^16617841405 is an apocalyptic number.

It is an amenable number.

16617841405 is a deficient number, since it is larger than the sum of its proper divisors (5667018563).

16617841405 is a wasteful number, since it uses less digits than its factorization.

16617841405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369388.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 16617841405 in words is "sixteen billion, six hundred seventeen million, eight hundred forty-one thousand, four hundred five".