16860016 has 20 divisors (see below), whose sum is σ = 32810400. Its totient is φ = 8392832.

The previous prime is 16860013. The next prime is 16860023. The reversal of 16860016 is 61006861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16860013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (1640520).

Almost surely, 2^16860016 is an apocalyptic number.

16860016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16860016 is a deficient number, since it is larger than the sum of its proper divisors (15950384).

16860016 is a wasteful number, since it uses less digits than its factorization.

16860016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 16860016 is about 4106.0949818532. The cubic root of 16860016 is about 256.4204516548.

Adding to 16860016 its reverse (61006861), we get a palindrome (77866877).

The spelling of 16860016 in words is "sixteen million, eight hundred sixty thousand, sixteen".