16481136 has 80 divisors (see below), whose sum is σ = 49107968. Its totient is φ = 4665600.

The previous prime is 16481131. The next prime is 16481141. The reversal of 16481136 is 63118461.

It is an interprime number because it is at equal distance from previous prime (16481131) and next prime (16481141).

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 (16481131) 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, 60681 + ... + 60951.

Almost surely, 2^16481136 is an apocalyptic number.

16481136 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 16481136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24553984).

16481136 is an abundant number, since it is smaller than the sum of its proper divisors (32626832).

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

16481136 is a wasteful number, since it uses less digits than its factorization.

16481136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 464 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 16481136 is about 4059.6965403833. The cubic root of 16481136 is about 254.4851125364.

Adding to 16481136 its reverse (63118461), we get a palindrome (79599597).

The spelling of 16481136 in words is "sixteen million, four hundred eighty-one thousand, one hundred thirty-six".