41663634542 has 8 divisors (see below), whose sum is σ = 62945059800. Its totient is φ = 20681947944.

The previous prime is 41663634539. The next prime is 41663634553. The reversal of 41663634542 is 24543636614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 41663634493 and 41663634502.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 74934317 + ... + 74934872.

It is an arithmetic number, because the mean of its divisors is an integer number (7868132475).

Almost surely, 2^41663634542 is an apocalyptic number.

41663634542 is a deficient number, since it is larger than the sum of its proper divisors (21281425258).

41663634542 is a wasteful number, since it uses less digits than its factorization.

41663634542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149869330.

The product of its digits is 1244160, while the sum is 44.

The spelling of 41663634542 in words is "forty-one billion, six hundred sixty-three million, six hundred thirty-four thousand, five hundred forty-two".