41662526666 has 4 divisors (see below), whose sum is σ = 62493790002. Its totient is φ = 20831263332.

The previous prime is 41662526629. The next prime is 41662526683. The reversal of 41662526666 is 66662526614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29333755441 + 12328771225 = 171271^2 + 111035^2 .

It is a super-2 number, since 2×41662526666² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10415631665 + ... + 10415631668.

Almost surely, 2^41662526666 is an apocalyptic number.

41662526666 is a deficient number, since it is larger than the sum of its proper divisors (20831263336).

41662526666 is a wasteful number, since it uses less digits than its factorization.

41662526666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831263335.

The product of its digits is 3732480, while the sum is 50.

The spelling of 41662526666 in words is "forty-one billion, six hundred sixty-two million, five hundred twenty-six thousand, six hundred sixty-six".