41661324540612 has 144 divisors (see below), whose sum is σ = 121878342942720. Its totient is φ = 11752741842624.

The previous prime is 41661324540601. The next prime is 41661324540683. The reversal of 41661324540612 is 21604542316614.

41661324540612 is a `hidden beast` number, since 4 + 1 + 6 + 6 + 1 + 3 + 24 + 5 + 4 + 0 + 612 = 666.

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, 34184439 + ... + 35382177.

Almost surely, 2^{41661324540612} is an apocalyptic number.

41661324540612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41661324540612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60939171471360).

41661324540612 is an abundant number, since it is smaller than the sum of its proper divisors (80217018402108).

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

41661324540612 is a wasteful number, since it uses less digits than its factorization.

41661324540612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199502 (or 1199497 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 41661324540612 in words is "forty-one trillion, six hundred sixty-one billion, three hundred twenty-four million, five hundred forty thousand, six hundred twelve".