16064660 has 48 divisors (see below), whose sum is σ = 36714384. Its totient is φ = 5879808.

The previous prime is 16064639. The next prime is 16064683. The reversal of 16064660 is 6646061.

It can be written as a sum of positive squares in 8 ways, for example, as 2256004 + 13808656 = 1502^2 + 3716^2 .

It is a congruent number.

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, 11942 + ... + 13218.

It is an arithmetic number, because the mean of its divisors is an integer number (764883).

Almost surely, 2^16064660 is an apocalyptic number.

16064660 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 16064660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18357192).

16064660 is an abundant number, since it is smaller than the sum of its proper divisors (20649724).

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

16064660 is a wasteful number, since it uses less digits than its factorization.

16064660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 16064660 is about 4008.0743506078. The cubic root of 16064660 is about 252.3231974734.

The spelling of 16064660 in words is "sixteen million, sixty-four thousand, six hundred sixty".