2516670612 has 72 divisors (see below), whose sum is σ = 6726064800. Its totient is φ = 791218368.

The previous prime is 2516670581. The next prime is 2516670619. The reversal of 2516670612 is 2160766152.

It is a happy number.

2516670612 is a `hidden beast` number, since 25 + 16 + 6 + 7 + 0 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516670619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148603 + ... + 164669.

Almost surely, 2^2516670612 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 2516670612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363032400).

2516670612 is an abundant number, since it is smaller than the sum of its proper divisors (4209394188).

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

2516670612 is a wasteful number, since it uses less digits than its factorization.

2516670612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325 (or 16320 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2516670612 is about 50166.4291334354. The cubic root of 2516670612 is about 1360.2188611153.

The spelling of 2516670612 in words is "two billion, five hundred sixteen million, six hundred seventy thousand, six hundred twelve".