16118136 has 64 divisors (see below), whose sum is σ = 45446400. Its totient is φ = 5292000.

The previous prime is 16118131. The next prime is 16118143. The reversal of 16118136 is 63181161.

It is a super-2 number, since 2×16118136² = 519588616228992, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14811 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (710100).

Almost surely, 2^16118136 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 16118136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22723200).

16118136 is an abundant number, since it is smaller than the sum of its proper divisors (29328264).

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

16118136 is a wasteful number, since it uses less digits than its factorization.

16118136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1127 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 16118136 is about 4014.7398421317. The cubic root of 16118136 is about 252.6028649931.

Adding to 16118136 its reverse (63181161), we get a palindrome (79299297).

The spelling of 16118136 in words is "sixteen million, one hundred eighteen thousand, one hundred thirty-six".