2616664512 has 224 divisors, whose sum is σ = 8672901120. Its totient is φ = 676408320.

The previous prime is 2616664441. The next prime is 2616664513. The reversal of 2616664512 is 2154666162.

2616664512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616664513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5602903 + ... + 5603369.

Almost surely, 2^2616664512 is an apocalyptic number.

2616664512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2616664512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4336450560).

2616664512 is an abundant number, since it is smaller than the sum of its proper divisors (6056236608).

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

2616664512 is a wasteful number, since it uses less digits than its factorization.

2616664512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 869 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 2616664512 is about 51153.3431165550. The cubic root of 2616664512 is about 1378.0004142783. Note that the first 3 decimals are identical.

The spelling of 2616664512 in words is "two billion, six hundred sixteen million, six hundred sixty-four thousand, five hundred twelve".