41661632121 has 8 divisors (see below), whose sum is σ = 56331221184. Its totient is φ = 27383232240.

The previous prime is 41661632099. The next prime is 41661632137. The reversal of 41661632121 is 12123616614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41661632121 - 2⁶ = 41661632057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41661632171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97797046 + ... + 97797471.

It is an arithmetic number, because the mean of its divisors is an integer number (7041402648).

Almost surely, 2^41661632121 is an apocalyptic number.

It is an amenable number.

41661632121 is a deficient number, since it is larger than the sum of its proper divisors (14669589063).

41661632121 is a wasteful number, since it uses less digits than its factorization.

41661632121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195594591.

The product of its digits is 10368, while the sum is 33.

The spelling of 41661632121 in words is "forty-one billion, six hundred sixty-one million, six hundred thirty-two thousand, one hundred twenty-one".