16187253376 has 128 divisors (see below), whose sum is σ = 39105331200. Its totient is φ = 6519647232.

The previous prime is 16187253373. The next prime is 16187253391. The reversal of 16187253376 is 67335278161.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (16187253373) 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, 2158305 + ... + 2165791.

It is an arithmetic number, because the mean of its divisors is an integer number (305510400).

Almost surely, 2^16187253376 is an apocalyptic number.

16187253376 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 16187253376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19552665600).

16187253376 is an abundant number, since it is smaller than the sum of its proper divisors (22918077824).

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

16187253376 is a wasteful number, since it uses less digits than its factorization.

16187253376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654 (or 7642 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The spelling of 16187253376 in words is "sixteen billion, one hundred eighty-seven million, two hundred fifty-three thousand, three hundred seventy-six".