41606398656 has 112 divisors (see below), whose sum is σ = 122663407200. Its totient is φ = 13829308416.

The previous prime is 41606398643. The next prime is 41606398661. The reversal of 41606398656 is 65689360614.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 575880 + ... + 644088.

Almost surely, 2^41606398656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41606398656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61331703600).

41606398656 is an abundant number, since it is smaller than the sum of its proper divisors (81057008544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41606398656 is a wasteful number, since it uses less digits than its factorization.

41606398656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68583 (or 68567 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 41606398656 in words is "forty-one billion, six hundred six million, three hundred ninety-eight thousand, six hundred fifty-six".