16122018 has 32 divisors (see below), whose sum is σ = 37247040. Its totient is φ = 4597760.

The previous prime is 16121971. The next prime is 16122037. The reversal of 16122018 is 81022161.

It is a junction number, because it is equal to n+sod(n) for n = 16121985 and 16122003.

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, 6063 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (1163970).

Almost surely, 2^16122018 is an apocalyptic number.

16122018 is an abundant number, since it is smaller than the sum of its proper divisors (21125022).

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

16122018 is a wasteful number, since it uses less digits than its factorization.

16122018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14402.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 16122018 is about 4015.2232814627. The cubic root of 16122018 is about 252.6231428881.

Adding to 16122018 its reverse (81022161), we get a palindrome (97144179).

The spelling of 16122018 in words is "sixteen million, one hundred twenty-two thousand, eighteen".