8245961660 has 12 divisors (see below), whose sum is σ = 17316519528. Its totient is φ = 3298384656.

The previous prime is 8245961651. The next prime is 8245961663. The reversal of 8245961660 is 661695428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245961663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206149022 + ... + 206149061.

It is an arithmetic number, because the mean of its divisors is an integer number (1443043294).

Almost surely, 2^8245961660 is an apocalyptic number.

It is an amenable number.

8245961660 is an abundant number, since it is smaller than the sum of its proper divisors (9070557868).

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

8245961660 is a wasteful number, since it uses less digits than its factorization.

8245961660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412298092 (or 412298090 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 8245961660 is about 90807.2775717894. The cubic root of 8245961660 is about 2020.2902615275.

The spelling of 8245961660 in words is "eight billion, two hundred forty-five million, nine hundred sixty-one thousand, six hundred sixty".