41661634556 has 6 divisors (see below), whose sum is σ = 72907860480. Its totient is φ = 20830817276.

The previous prime is 41661634543. The next prime is 41661634561. The reversal of 41661634556 is 65543616614.

It is a super-3 number, since 3×41661634556³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41661634556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5207704316 + ... + 5207704323.

It is an arithmetic number, because the mean of its divisors is an integer number (12151310080).

Almost surely, 2^41661634556 is an apocalyptic number.

It is an amenable number.

41661634556 is a deficient number, since it is larger than the sum of its proper divisors (31246225924).

41661634556 is a wasteful number, since it uses less digits than its factorization.

41661634556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415408643 (or 10415408641 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 41661634556 in words is "forty-one billion, six hundred sixty-one million, six hundred thirty-four thousand, five hundred fifty-six".