16551525000 has 96 divisors (see below), whose sum is σ = 51720439680. Its totient is φ = 4413720000.

The previous prime is 16551524959. The next prime is 16551525017. The reversal of 16551525000 is 52515561.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 35344 + ... + 185343.

It is an arithmetic number, because the mean of its divisors is an integer number (538754580).

Almost surely, 2^16551525000 is an apocalyptic number.

16551525000 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 16551525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25860219840).

16551525000 is an abundant number, since it is smaller than the sum of its proper divisors (35168914680).

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

16551525000 is an equidigital number, since it uses as much as digits as its factorization.

16551525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220721 (or 220697 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 16551525000 in words is "sixteen billion, five hundred fifty-one million, five hundred twenty-five thousand".