16984047755 has 4 divisors (see below), whose sum is σ = 20380857312. Its totient is φ = 13587238200.

The previous prime is 16984047739. The next prime is 16984047767. The reversal of 16984047755 is 55774048961.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16984047755 - 2⁴ = 16984047739 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 16984047755.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698404771 + ... + 1698404780.

It is an arithmetic number, because the mean of its divisors is an integer number (5095214328).

Almost surely, 2^16984047755 is an apocalyptic number.

16984047755 is a deficient number, since it is larger than the sum of its proper divisors (3396809557).

16984047755 is an equidigital number, since it uses as much as digits as its factorization.

16984047755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396809556.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 16984047755 in words is "sixteen billion, nine hundred eighty-four million, forty-seven thousand, seven hundred fifty-five".