16261132224 has 28 divisors (see below), whose sum is σ = 43024246184. Its totient is φ = 5420377344.

The previous prime is 16261132207. The next prime is 16261132229. The reversal of 16261132224 is 42223116261.

It is a super-2 number, since 2×16261132224² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 16261132191 and 16261132200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16261132229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42346507 + ... + 42346890.

Almost surely, 2^16261132224 is an apocalyptic number.

It is an amenable number.

16261132224 is an abundant number, since it is smaller than the sum of its proper divisors (26763113960).

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

16261132224 is an equidigital number, since it uses as much as digits as its factorization.

16261132224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84693412 (or 84693402 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

Adding to 16261132224 its reverse (42223116261), we get a palindrome (58484248485).

The spelling of 16261132224 in words is "sixteen billion, two hundred sixty-one million, one hundred thirty-two thousand, two hundred twenty-four".