41662606861 has 4 divisors (see below), whose sum is σ = 42368752800. Its totient is φ = 40956460924.

The previous prime is 41662606723. The next prime is 41662606879. The reversal of 41662606861 is 16860626614.

41662606861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41662606861 - 2²³ = 41654218253 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 (41662606961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353072881 + ... + 353072998.

It is an arithmetic number, because the mean of its divisors is an integer number (10592188200).

Almost surely, 2^41662606861 is an apocalyptic number.

It is an amenable number.

41662606861 is a deficient number, since it is larger than the sum of its proper divisors (706145939).

41662606861 is an equidigital number, since it uses as much as digits as its factorization.

41662606861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706145938.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 41662606861 in words is "forty-one billion, six hundred sixty-two million, six hundred six thousand, eight hundred sixty-one".