16299547540 has 144 divisors (see below), whose sum is σ = 37139389056. Its totient is φ = 5996784640.

The previous prime is 16299547493. The next prime is 16299547541. The reversal of 16299547540 is 4574599261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16299547541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82738722 + ... + 82738918.

It is an arithmetic number, because the mean of its divisors is an integer number (257912424).

Almost surely, 2^16299547540 is an apocalyptic number.

16299547540 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 16299547540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18569694528).

16299547540 is an abundant number, since it is smaller than the sum of its proper divisors (20839841516).

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

16299547540 is a wasteful number, since it uses less digits than its factorization.

16299547540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 16299547540 in words is "sixteen billion, two hundred ninety-nine million, five hundred forty-seven thousand, five hundred forty".