16488400700 has 72 divisors (see below), whose sum is σ = 36587064528. Its totient is φ = 6447467520.

The previous prime is 16488400699. The next prime is 16488400703. The reversal of 16488400700 is 700488461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16488400703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494404 + ... + 1505396.

It is an arithmetic number, because the mean of its divisors is an integer number (508153674).

Almost surely, 2^16488400700 is an apocalyptic number.

16488400700 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 16488400700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18293532264).

16488400700 is an abundant number, since it is smaller than the sum of its proper divisors (20098663828).

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

16488400700 is a wasteful number, since it uses less digits than its factorization.

16488400700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343 (or 11336 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 16488400700 in words is "sixteen billion, four hundred eighty-eight million, four hundred thousand, seven hundred".