41661636572 has 6 divisors (see below), whose sum is σ = 72907864008. Its totient is φ = 20830818284.

The previous prime is 41661636571. The next prime is 41661636587. The reversal of 41661636572 is 27563616614.

It is a super-2 number, since 2×41661636572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41661636571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5207704568 + ... + 5207704575.

It is an arithmetic number, because the mean of its divisors is an integer number (12151310668).

Almost surely, 2^41661636572 is an apocalyptic number.

It is an amenable number.

41661636572 is a deficient number, since it is larger than the sum of its proper divisors (31246227436).

41661636572 is a wasteful number, since it uses less digits than its factorization.

41661636572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415409147 (or 10415409145 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The spelling of 41661636572 in words is "forty-one billion, six hundred sixty-one million, six hundred thirty-six thousand, five hundred seventy-two".