6661485295248 has 40 divisors (see below), whose sum is σ = 19667242301248. Its totient is φ = 1903281512832.

The previous prime is 6661485295217. The next prime is 6661485295249. The reversal of 6661485295248 is 8425925841666.

It is not an unprimeable number, because it can be changed into a prime (6661485295249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9912924211 + ... + 9912924882.

Almost surely, 2^{6661485295248} is an apocalyptic number.

It is an amenable number.

6661485295248 is an abundant number, since it is smaller than the sum of its proper divisors (13005757006000).

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

6661485295248 is a wasteful number, since it uses less digits than its factorization.

6661485295248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19825849111 (or 19825849105 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 66.

The spelling of 6661485295248 in words is "six trillion, six hundred sixty-one billion, four hundred eighty-five million, two hundred ninety-five thousand, two hundred forty-eight".