2658267345616 has 80 divisors (see below), whose sum is σ = 5611861849600. Its totient is φ = 1218559023360.

The previous prime is 2658267345581. The next prime is 2658267345623. The reversal of 2658267345616 is 6165437628562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3011380 + ... + 3792748.

It is an arithmetic number, because the mean of its divisors is an integer number (70148273120).

Almost surely, 2^{2658267345616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2658267345616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2805930924800).

2658267345616 is an abundant number, since it is smaller than the sum of its proper divisors (2953594503984).

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

2658267345616 is an equidigital number, since it uses as much as digits as its factorization.

2658267345616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781465 (or 781421 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 61.

The spelling of 2658267345616 in words is "two trillion, six hundred fifty-eight billion, two hundred sixty-seven million, three hundred forty-five thousand, six hundred sixteen".