16253431152 has 80 divisors (see below), whose sum is σ = 48157370112. Its totient is φ = 4627284480.

The previous prime is 16253431133. The next prime is 16253431157. The reversal of 16253431152 is 25113435261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253431157) 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, 8343 + ... + 180489.

Almost surely, 2^16253431152 is an apocalyptic number.

16253431152 is a gapful number since it is divisible by the number (12) 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 16253431152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24078685056).

16253431152 is an abundant number, since it is smaller than the sum of its proper divisors (31903938960).

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

16253431152 is a wasteful number, since it uses less digits than its factorization.

16253431152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172446 (or 172440 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The spelling of 16253431152 in words is "sixteen billion, two hundred fifty-three million, four hundred thirty-one thousand, one hundred fifty-two".