16259611648 has 264 divisors, whose sum is σ = 40541211648. Its totient is φ = 6380519424.

The previous prime is 16259611637. The next prime is 16259611717. The reversal of 16259611648 is 84611695261.

It is a happy number.

Its product of digits (622080) is a multiple of the sum of its prime divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97362861 + ... + 97363027.

Almost surely, 2^16259611648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16259611648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20270605824).

16259611648 is an abundant number, since it is smaller than the sum of its proper divisors (24281600000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16259611648 is a wasteful number, since it uses less digits than its factorization.

16259611648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 240 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The spelling of 16259611648 in words is "sixteen billion, two hundred fifty-nine million, six hundred eleven thousand, six hundred forty-eight".