16367840705 has 8 divisors (see below), whose sum is σ = 19651187904. Its totient is φ = 13087753200.

The previous prime is 16367840683. The next prime is 16367840717. The reversal of 16367840705 is 50704876361.

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

It is not a de Polignac number, because 16367840705 - 2⁶ = 16367840641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16367840705.

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, 803861 + ... + 823970.

It is an arithmetic number, because the mean of its divisors is an integer number (2456398488).

Almost surely, 2^16367840705 is an apocalyptic number.

It is an amenable number.

16367840705 is a deficient number, since it is larger than the sum of its proper divisors (3283347199).

16367840705 is a wasteful number, since it uses less digits than its factorization.

16367840705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629847.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 16367840705 in words is "sixteen billion, three hundred sixty-seven million, eight hundred forty thousand, seven hundred five".