16734642805 has 8 divisors (see below), whose sum is σ = 20083140000. Its totient is φ = 13386668496.

The previous prime is 16734642751. The next prime is 16734642823. The reversal of 16734642805 is 50824643761.

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 16734642805 - 2²⁵ = 16701088373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56475 + ... + 191464.

It is an arithmetic number, because the mean of its divisors is an integer number (2510392500).

Almost surely, 2^16734642805 is an apocalyptic number.

It is an amenable number.

16734642805 is a deficient number, since it is larger than the sum of its proper divisors (3348497195).

16734642805 is a wasteful number, since it uses less digits than its factorization.

16734642805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261443.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 16734642805 in words is "sixteen billion, seven hundred thirty-four million, six hundred forty-two thousand, eight hundred five".