12498345616 has 45 divisors (see below), whose sum is σ = 25574511843. Its totient is φ = 5916244320.

The previous prime is 12498345611. The next prime is 12498345619. The reversal of 12498345616 is 61654389421.

The square root of 12498345616 is 111796.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12498345616.

It is not an unprimeable number, because it can be changed into a prime (12498345611) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8495761 + ... + 8497231.

Almost surely, 2^12498345616 is an apocalyptic number.

12498345616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12498345616 is the 111796-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12498345616

12498345616 is an abundant number, since it is smaller than the sum of its proper divisors (13076166227).

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

12498345616 is an frugal number, since it uses more digits than its factorization.

12498345616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988 (or 1492 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

Multiplying 12498345616 by its sum of digits (49), we get a square (612418935184 = 782572²).

The spelling of 12498345616 in words is "twelve billion, four hundred ninety-eight million, three hundred forty-five thousand, six hundred sixteen".