2515345616 has 60 divisors (see below), whose sum is σ = 5675717088. Its totient is φ = 1076757696.

The previous prime is 2515345607. The next prime is 2515345631. The reversal of 2515345616 is 6165435152.

It is a self number, because there is not a number n which added to its sum of digits gives 2515345616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070555 + ... + 1072901.

Almost surely, 2^2515345616 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 2515345616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837858544).

2515345616 is an abundant number, since it is smaller than the sum of its proper divisors (3160371472).

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

2515345616 is a wasteful number, since it uses less digits than its factorization.

2515345616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736 (or 3723 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 2515345616 is about 50153.2213920502. The cubic root of 2515345616 is about 1359.9801063987.

The spelling of 2515345616 in words is "two billion, five hundred fifteen million, three hundred forty-five thousand, six hundred sixteen".