16129224252 has 24 divisors (see below), whose sum is σ = 41816507600. Its totient is φ = 5376408048.

The previous prime is 16129224247. The next prime is 16129224253. The reversal of 16129224252 is 25242292161.

16129224252 is a `hidden beast` number, since 161 + 29 + 224 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16129224253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74672227 + ... + 74672442.

Almost surely, 2^16129224252 is an apocalyptic number.

16129224252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16129224252 is an abundant number, since it is smaller than the sum of its proper divisors (25687283348).

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

16129224252 is a wasteful number, since it uses less digits than its factorization.

16129224252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149344682 (or 149344674 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 16129224252 in words is "sixteen billion, one hundred twenty-nine million, two hundred twenty-four thousand, two hundred fifty-two".