7615640466 has 192 divisors, whose sum is σ = 20226153600. Its totient is φ = 2117187072.

The previous prime is 7615640443. The next prime is 7615640519. The reversal of 7615640466 is 6640465167.

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 95 ways as a sum of consecutive naturals, for example, 17190841 + ... + 17191283.

It is an arithmetic number, because the mean of its divisors is an integer number (105344550).

Almost surely, 2^7615640466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7615640466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10113076800).

7615640466 is an abundant number, since it is smaller than the sum of its proper divisors (12610513134).

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

7615640466 is a wasteful number, since it uses less digits than its factorization.

7615640466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 7615640466 is about 87267.6369910404. The cubic root of 7615640466 is about 1967.4429333103.

The spelling of 7615640466 in words is "seven billion, six hundred fifteen million, six hundred forty thousand, four hundred sixty-six".