16064538 has 64 divisors (see below), whose sum is σ = 39674880. Its totient is φ = 4233600.

The previous prime is 16064537. The next prime is 16064539. The reversal of 16064538 is 83546061.

It is an interprime number because it is at equal distance from previous prime (16064537) and next prime (16064539).

It is a junction number, because it is equal to n+sod(n) for n = 16064499 and 16064508.

It is not an unprimeable number, because it can be changed into a prime (16064537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32473 + ... + 32963.

It is an arithmetic number, because the mean of its divisors is an integer number (619920).

Almost surely, 2^16064538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16064538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19837440).

16064538 is an abundant number, since it is smaller than the sum of its proper divisors (23610342).

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

16064538 is a wasteful number, since it uses less digits than its factorization.

16064538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 16064538 is about 4008.0591313003. The cubic root of 16064538 is about 252.3225587316.

The spelling of 16064538 in words is "sixteen million, sixty-four thousand, five hundred thirty-eight".