16398064 has 60 divisors (see below), whose sum is σ = 35716464. Its totient is φ = 7266816.

The previous prime is 16398017. The next prime is 16398091. The reversal of 16398064 is 46089361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98109 + ... + 98275.

Almost surely, 2^16398064 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 16398064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17858232).

16398064 is an abundant number, since it is smaller than the sum of its proper divisors (19318400).

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

16398064 is a wasteful number, since it uses less digits than its factorization.

16398064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 16398064 is about 4049.4523086462. The cubic root of 16398064 is about 254.0568207350.

The spelling of 16398064 in words is "sixteen million, three hundred ninety-eight thousand, sixty-four".