7664341212 has 144 divisors (see below), whose sum is σ = 21974359680. Its totient is φ = 2231107200.

The previous prime is 7664341211. The next prime is 7664341247. The reversal of 7664341212 is 2121434667.

7664341212 is a `hidden beast` number, since 7 + 6 + 6 + 434 + 1 + 212 = 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 (7664341211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2421543 + ... + 2424705.

It is an arithmetic number, because the mean of its divisors is an integer number (152599720).

Almost surely, 2^7664341212 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 7664341212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10987179840).

7664341212 is an abundant number, since it is smaller than the sum of its proper divisors (14310018468).

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

7664341212 is a wasteful number, since it uses less digits than its factorization.

7664341212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3419 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 7664341212 is about 87546.2232880437. The cubic root of 7664341212 is about 1971.6278480799.

Adding to 7664341212 its reverse (2121434667), we get a palindrome (9785775879).

It can be divided in two parts, 76643 and 41212, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 7664341212 in words is "seven billion, six hundred sixty-four million, three hundred forty-one thousand, two hundred twelve".