41545351661 has 8 divisors (see below), whose sum is σ = 45350215200. Its totient is φ = 37745157040.

The previous prime is 41545351643. The next prime is 41545351681. The reversal of 41545351661 is 16615354514.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41545351661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41545351681) 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, 1148606 + ... + 1184223.

It is an arithmetic number, because the mean of its divisors is an integer number (5668776900).

Almost surely, 2^41545351661 is an apocalyptic number.

It is an amenable number.

41545351661 is a deficient number, since it is larger than the sum of its proper divisors (3804863539).

41545351661 is a wasteful number, since it uses less digits than its factorization.

41545351661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334459.

The product of its digits is 216000, while the sum is 41.

The spelling of 41545351661 in words is "forty-one billion, five hundred forty-five million, three hundred fifty-one thousand, six hundred sixty-one".