7664245512 has 192 divisors, whose sum is σ = 24901430400. Its totient is φ = 1921920000.

The previous prime is 7664245499. The next prime is 7664245513. The reversal of 7664245512 is 2155424667.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (7664245513) 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, 583012 + ... + 596012.

It is an arithmetic number, because the mean of its divisors is an integer number (129694950).

Almost surely, 2^7664245512 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 7664245512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12450715200).

7664245512 is an abundant number, since it is smaller than the sum of its proper divisors (17237184888).

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

7664245512 is a wasteful number, since it uses less digits than its factorization.

7664245512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13068 (or 13053 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 7664245512 is about 87545.6767179282. The cubic root of 7664245512 is about 1971.6196418704.

The spelling of 7664245512 in words is "seven billion, six hundred sixty-four million, two hundred forty-five thousand, five hundred twelve".