16523036789 has 8 divisors (see below), whose sum is σ = 19203529920. Its totient is φ = 13922558496.

The previous prime is 16523036773. The next prime is 16523036813. The reversal of 16523036789 is 98763032561.

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

It is not a de Polignac number, because 16523036789 - 2⁴ = 16523036773 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16523032789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20003264 + ... + 20004089.

It is an arithmetic number, because the mean of its divisors is an integer number (2400441240).

Almost surely, 2^16523036789 is an apocalyptic number.

It is an amenable number.

16523036789 is a deficient number, since it is larger than the sum of its proper divisors (2680493131).

16523036789 is an equidigital number, since it uses as much as digits as its factorization.

16523036789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40007419.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 16523036789 in words is "sixteen billion, five hundred twenty-three million, thirty-six thousand, seven hundred eighty-nine".