41021566623 has 12 divisors (see below), whose sum is σ = 60003417760. Its totient is φ = 27001537056.

The previous prime is 41021566613. The next prime is 41021566657. The reversal of 41021566623 is 32666512014.

It is not a de Polignac number, because 41021566623 - 2⁹ = 41021566111 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 (41021566613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28847086 + ... + 28848507.

Almost surely, 2^41021566623 is an apocalyptic number.

41021566623 is a deficient number, since it is larger than the sum of its proper divisors (18981851137).

41021566623 is a wasteful number, since it uses less digits than its factorization.

41021566623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57695678 (or 57695675 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 41021566623 in words is "forty-one billion, twenty-one million, five hundred sixty-six thousand, six hundred twenty-three".