16253364400 has 240 divisors, whose sum is σ = 48546767808. Its totient is φ = 5091840000.

The previous prime is 16253364397. The next prime is 16253364433. The reversal of 16253364400 is 446335261.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3674190 + ... + 3678610.

Almost surely, 2^16253364400 is an apocalyptic number.

16253364400 is a gapful number since it is divisible by the number (10) 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 16253364400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24273383904).

16253364400 is an abundant number, since it is smaller than the sum of its proper divisors (32293403408).

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

16253364400 is a wasteful number, since it uses less digits than its factorization.

16253364400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560 (or 4549 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 16253364400 its reverse (446335261), we get a palindrome (16699699661).

The spelling of 16253364400 in words is "sixteen billion, two hundred fifty-three million, three hundred sixty-four thousand, four hundred".