7671565650 has 96 divisors (see below), whose sum is σ = 21828781440. Its totient is φ = 1746616320.

The previous prime is 7671565589. The next prime is 7671565667. The reversal of 7671565650 is 565651767.

It is a self number, because there is not a number n which added to its sum of digits gives 7671565650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255636 + ... + 284064.

It is an arithmetic number, because the mean of its divisors is an integer number (227383140).

Almost surely, 2^7671565650 is an apocalyptic number.

7671565650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7671565650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10914390720).

7671565650 is an abundant number, since it is smaller than the sum of its proper divisors (14157215790).

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

7671565650 is a wasteful number, since it uses less digits than its factorization.

7671565650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28708 (or 28703 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 48.

The square root of 7671565650 is about 87587.4742757205. The cubic root of 7671565650 is about 1972.2471415779.

The spelling of 7671565650 in words is "seven billion, six hundred seventy-one million, five hundred sixty-five thousand, six hundred fifty".