16454553900 has 72 divisors (see below), whose sum is σ = 47776983744. Its totient is φ = 4372353600.

The previous prime is 16454553887. The next prime is 16454553943. The reversal of 16454553900 is 935545461.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12006 + ... + 181805.

Almost surely, 2^16454553900 is an apocalyptic number.

16454553900 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 16454553900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23888491872).

16454553900 is an abundant number, since it is smaller than the sum of its proper divisors (31322429844).

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

16454553900 is a wasteful number, since it uses less digits than its factorization.

16454553900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194111 (or 194104 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 16454553900 in words is "sixteen billion, four hundred fifty-four million, five hundred fifty-three thousand, nine hundred".