16254959616 has 408 divisors, whose sum is σ = 55834148864. Its totient is φ = 4459069440.

The previous prime is 16254959599. The next prime is 16254959627. The reversal of 16254959616 is 61695945261.

16254959616 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 49 + 596 + 1 + 6 = 666.

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, 127991745 + ... + 127991871.

Almost surely, 2^16254959616 is an apocalyptic number.

16254959616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16254959616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27917074432).

16254959616 is an abundant number, since it is smaller than the sum of its proper divisors (39579189248).

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

16254959616 is an equidigital number, since it uses as much as digits as its factorization.

16254959616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 170 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The spelling of 16254959616 in words is "sixteen billion, two hundred fifty-four million, nine hundred fifty-nine thousand, six hundred sixteen".