2215145460616 has 128 divisors (see below), whose sum is σ = 4675617302400. Its totient is φ = 975156295680.

The previous prime is 2215145460613. The next prime is 2215145460637. The reversal of 2215145460616 is 6160645415122.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2215145460613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574912546 + ... + 574916398.

It is an arithmetic number, because the mean of its divisors is an integer number (36528260175).

Almost surely, 2^{2215145460616} 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 2215145460616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2337808651200).

2215145460616 is an abundant number, since it is smaller than the sum of its proper divisors (2460471841784).

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

2215145460616 is a wasteful number, since it uses less digits than its factorization.

2215145460616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 2215145460616 in words is "two trillion, two hundred fifteen billion, one hundred forty-five million, four hundred sixty thousand, six hundred sixteen".