41661541776 has 120 divisors (see below), whose sum is σ = 114470780544. Its totient is φ = 13054085120.

The previous prime is 41661541751. The next prime is 41661541777. The reversal of 41661541776 is 67714516614.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (41661541777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16381561 + ... + 16384103.

Almost surely, 2^41661541776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41661541776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57235390272).

41661541776 is an abundant number, since it is smaller than the sum of its proper divisors (72809238768).

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

41661541776 is a wasteful number, since it uses less digits than its factorization.

41661541776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3746 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The spelling of 41661541776 in words is "forty-one billion, six hundred sixty-one million, five hundred forty-one thousand, seven hundred seventy-six".