16704577231 has 4 divisors (see below), whose sum is σ = 16892269200. Its totient is φ = 16516885264.

The previous prime is 16704577207. The next prime is 16704577249. The reversal of 16704577231 is 13277540761.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16704577231 - 2⁹ = 16704576719 is a prime.

It is a super-2 number, since 2×16704577231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16704577271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93845851 + ... + 93846028.

It is an arithmetic number, because the mean of its divisors is an integer number (4223067300).

Almost surely, 2^16704577231 is an apocalyptic number.

16704577231 is a deficient number, since it is larger than the sum of its proper divisors (187691969).

16704577231 is an equidigital number, since it uses as much as digits as its factorization.

16704577231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187691968.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 16704577231 in words is "sixteen billion, seven hundred four million, five hundred seventy-seven thousand, two hundred thirty-one".