16389887048 has 16 divisors (see below), whose sum is σ = 30844440960. Its totient is φ = 8164702800.

The previous prime is 16389887021. The next prime is 16389887089. The reversal of 16389887048 is 84078898361.

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, 3777788 + ... + 3782123.

It is an arithmetic number, because the mean of its divisors is an integer number (1927777560).

Almost surely, 2^16389887048 is an apocalyptic number.

It is an amenable number.

16389887048 is a deficient number, since it is larger than the sum of its proper divisors (14454553912).

16389887048 is a wasteful number, since it uses less digits than its factorization.

16389887048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560188 (or 7560184 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 16389887048 in words is "sixteen billion, three hundred eighty-nine million, eight hundred eighty-seven thousand, forty-eight".