16218696 has 64 divisors (see below), whose sum is σ = 44049600. Its totient is φ = 4946688.

The previous prime is 16218677. The next prime is 16218701. The reversal of 16218696 is 69681261.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 70710 + ... + 70938.

It is an arithmetic number, because the mean of its divisors is an integer number (688275).

Almost surely, 2^16218696 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 16218696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22024800).

16218696 is an abundant number, since it is smaller than the sum of its proper divisors (27830904).

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

16218696 is a wasteful number, since it uses less digits than its factorization.

16218696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 474 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 16218696 is about 4027.2442190659. The cubic root of 16218696 is about 253.1271005465.

The spelling of 16218696 in words is "sixteen million, two hundred eighteen thousand, six hundred ninety-six".