2516209612 has 48 divisors (see below), whose sum is σ = 5268049920. Its totient is φ = 1028865600.

The previous prime is 2516209583. The next prime is 2516209673. The reversal of 2516209612 is 2169026152.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41214 + ... + 82042.

It is an arithmetic number, because the mean of its divisors is an integer number (109751040).

Almost surely, 2^2516209612 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 2516209612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634024960).

2516209612 is an abundant number, since it is smaller than the sum of its proper divisors (2751840308).

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

2516209612 is a wasteful number, since it uses less digits than its factorization.

2516209612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40942 (or 40940 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2516209612 is about 50161.8342168625. The cubic root of 2516209612 is about 1360.1358017506.

The spelling of 2516209612 in words is "two billion, five hundred sixteen million, two hundred nine thousand, six hundred twelve".