16706141636405 has 32 divisors (see below), whose sum is σ = 21702667440384. Its totient is φ = 12272291168256.

The previous prime is 16706141636357. The next prime is 16706141636423. The reversal of 16706141636405 is 50463614160761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16706141636405 - 2¹⁶ = 16706141570869 is a prime.

It is a Duffinian number.

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 in 31 ways as a sum of consecutive naturals, for example, 11738822 + ... + 13084808.

It is an arithmetic number, because the mean of its divisors is an integer number (678208357512).

Almost surely, 2^{16706141636405} is an apocalyptic number.

It is an amenable number.

16706141636405 is a deficient number, since it is larger than the sum of its proper divisors (4996525803979).

16706141636405 is a wasteful number, since it uses less digits than its factorization.

16706141636405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347005.

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

The spelling of 16706141636405 in words is "sixteen trillion, seven hundred six billion, one hundred forty-one million, six hundred thirty-six thousand, four hundred five".