16260864 has 72 divisors (see below), whose sum is σ = 44739072. Its totient is φ = 5237760.

The previous prime is 16260847. The next prime is 16260883. The reversal of 16260864 is 46806261.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23467 + ... + 24149.

It is an arithmetic number, because the mean of its divisors is an integer number (621376).

Almost surely, 2^16260864 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 16260864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22369536).

16260864 is an abundant number, since it is smaller than the sum of its proper divisors (28478208).

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

16260864 is an equidigital number, since it uses as much as digits as its factorization.

16260864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 16260864 is about 4032.4761623598. The cubic root of 16260864 is about 253.3462843487.

The spelling of 16260864 in words is "sixteen million, two hundred sixty thousand, eight hundred sixty-four".