6661860248148 has 48 divisors (see below), whose sum is σ = 18809958351744. Its totient is φ = 1791424604160.

The previous prime is 6661860248137. The next prime is 6661860248179. The reversal of 6661860248148 is 8418420681666.

It is a junction number, because it is equal to n+sod(n) for n = 6661860248091 and 6661860248100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332582693 + ... + 2332585548.

It is an arithmetic number, because the mean of its divisors is an integer number (391874132328).

Almost surely, 2^{6661860248148} is an apocalyptic number.

6661860248148 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6661860248148 is an abundant number, since it is smaller than the sum of its proper divisors (12148098103596).

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

6661860248148 is a wasteful number, since it uses less digits than its factorization.

6661860248148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665168272 (or 4665168270 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 60.

The spelling of 6661860248148 in words is "six trillion, six hundred sixty-one billion, eight hundred sixty million, two hundred forty-eight thousand, one hundred forty-eight".