16064464 has 40 divisors (see below), whose sum is σ = 33791240. Its totient is φ = 7398144.

The previous prime is 16064449. The next prime is 16064471. The reversal of 16064464 is 46446061.

It can be written as a sum of positive squares in 4 ways, for example, as 2226064 + 13838400 = 1492^2 + 3720^2 .

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, 34924 + ... + 35380.

It is an arithmetic number, because the mean of its divisors is an integer number (844781).

Almost surely, 2^16064464 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 16064464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16895620).

16064464 is an abundant number, since it is smaller than the sum of its proper divisors (17726776).

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

16064464 is an equidigital number, since it uses as much as digits as its factorization.

16064464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 16064464 is about 4008.0498998890. The cubic root of 16064464 is about 252.3221712965.

The spelling of 16064464 in words is "sixteen million, sixty-four thousand, four hundred sixty-four".