16312485889 has 8 divisors (see below), whose sum is σ = 19146701888. Its totient is φ = 13604235120.

The previous prime is 16312485859. The next prime is 16312485899. The reversal of 16312485889 is 98858421361.

It is a happy number.

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

It is not a de Polignac number, because 16312485889 - 2⁵ = 16312485857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16312485859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31491027 + ... + 31491544.

It is an arithmetic number, because the mean of its divisors is an integer number (2393337736).

Almost surely, 2^16312485889 is an apocalyptic number.

It is an amenable number.

16312485889 is a deficient number, since it is larger than the sum of its proper divisors (2834215999).

16312485889 is an equidigital number, since it uses as much as digits as its factorization.

16312485889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62982615.

The product of its digits is 3317760, while the sum is 55.

The spelling of 16312485889 in words is "sixteen billion, three hundred twelve million, four hundred eighty-five thousand, eight hundred eighty-nine".