41665505406454 has 4 divisors (see below), whose sum is σ = 62498258109684. Its totient is φ = 20832752703226.

The previous prime is 41665505406397. The next prime is 41665505406463. The reversal of 41665505406454 is 45460450556614.

41665505406454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 41665505406395 and 41665505406404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10416376351612 + ... + 10416376351615.

It is an arithmetic number, because the mean of its divisors is an integer number (15624564527421).

Almost surely, 2^{41665505406454} is an apocalyptic number.

41665505406454 is a deficient number, since it is larger than the sum of its proper divisors (20832752703230).

41665505406454 is a wasteful number, since it uses less digits than its factorization.

41665505406454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20832752703229.

The product of its (nonzero) digits is 34560000, while the sum is 55.

The spelling of 41665505406454 in words is "forty-one trillion, six hundred sixty-five billion, five hundred five million, four hundred six thousand, four hundred fifty-four".