16701216 has 96 divisors (see below), whose sum is σ = 51891840. Its totient is φ = 4601856.

The previous prime is 16701203. The next prime is 16701221. The reversal of 16701216 is 61210761.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

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, 19060 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

Almost surely, 2^16701216 is an apocalyptic number.

16701216 is a gapful number since it is divisible by the number (16) 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 16701216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25945920).

16701216 is an abundant number, since it is smaller than the sum of its proper divisors (35190624).

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

16701216 is a wasteful number, since it uses less digits than its factorization.

16701216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 16701216 is about 4086.7121259027. The cubic root of 16701216 is about 255.6128588435.

Adding to 16701216 its reverse (61210761), we get a palindrome (77911977).

The spelling of 16701216 in words is "sixteen million, seven hundred one thousand, two hundred sixteen".