16319016 has 128 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 4536000.

The previous prime is 16319003. The next prime is 16319021. The reversal of 16319016 is 61091361.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64891 + ... + 65141.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^16319016 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 16319016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26611200).

16319016 is an abundant number, since it is smaller than the sum of its proper divisors (36903384).

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

16319016 is a wasteful number, since it uses less digits than its factorization.

16319016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 16319016 is about 4039.6801853612. The cubic root of 16319016 is about 253.6479301844.

The spelling of 16319016 in words is "sixteen million, three hundred nineteen thousand, sixteen".