16264320 has 128 divisors (see below), whose sum is σ = 53317440. Its totient is φ = 4214784.

The previous prime is 16264309. The next prime is 16264337. The reversal of 16264320 is 2346261.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82462 + ... + 82658.

Almost surely, 2^16264320 is an apocalyptic number.

16264320 is a gapful number since it is divisible by the number (10) 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 16264320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26658720).

16264320 is an abundant number, since it is smaller than the sum of its proper divisors (37053120).

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

16264320 is a wasteful number, since it uses less digits than its factorization.

16264320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 16264320 is about 4032.9046604154. The cubic root of 16264320 is about 253.3642313806.

The spelling of 16264320 in words is "sixteen million, two hundred sixty-four thousand, three hundred twenty".