41662452661 has 4 divisors (see below), whose sum is σ = 42548887872. Its totient is φ = 40776017452.

The previous prime is 41662452659. The next prime is 41662452679. The reversal of 41662452661 is 16625426614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41662452661 - 2¹ = 41662452659 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 (41662452641) 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 3 ways as a sum of consecutive naturals, for example, 443217535 + ... + 443217628.

It is an arithmetic number, because the mean of its divisors is an integer number (10637221968).

Almost surely, 2^41662452661 is an apocalyptic number.

It is an amenable number.

41662452661 is a deficient number, since it is larger than the sum of its proper divisors (886435211).

41662452661 is an equidigital number, since it uses as much as digits as its factorization.

41662452661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886435210.

The product of its digits is 414720, while the sum is 43.

The spelling of 41662452661 in words is "forty-one billion, six hundred sixty-two million, four hundred fifty-two thousand, six hundred sixty-one".