2615446445164 has 96 divisors (see below), whose sum is σ = 5602830912000. Its totient is φ = 1042800528384.

The previous prime is 2615446445141. The next prime is 2615446445167. The reversal of 2615446445164 is 4615446445162.

It is not an unprimeable number, because it can be changed into a prime (2615446445167) 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 31 ways as a sum of consecutive naturals, for example, 15065247 + ... + 15237865.

It is an arithmetic number, because the mean of its divisors is an integer number (58362822000).

Almost surely, 2^{2615446445164} 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 2615446445164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801415456000).

2615446445164 is an abundant number, since it is smaller than the sum of its proper divisors (2987384466836).

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

2615446445164 is a wasteful number, since it uses less digits than its factorization.

2615446445164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173015 (or 173013 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 52.

The spelling of 2615446445164 in words is "two trillion, six hundred fifteen billion, four hundred forty-six million, four hundred forty-five thousand, one hundred sixty-four".