16261233132 has 12 divisors (see below), whose sum is σ = 37942877336. Its totient is φ = 5420411040.

The previous prime is 16261233097. The next prime is 16261233137. The reversal of 16261233132 is 23133216261.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a self number, because there is not a number n which added to its sum of digits gives 16261233132.

It is not an unprimeable number, because it can be changed into a prime (16261233137) 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, 677551369 + ... + 677551392.

Almost surely, 2^16261233132 is an apocalyptic number.

16261233132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16261233132 is an abundant number, since it is smaller than the sum of its proper divisors (21681644204).

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

16261233132 is a wasteful number, since it uses less digits than its factorization.

16261233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355102768 (or 1355102766 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 16261233132 its reverse (23133216261), we get a palindrome (39394449393).

The spelling of 16261233132 in words is "sixteen billion, two hundred sixty-one million, two hundred thirty-three thousand, one hundred thirty-two".