471365343107661 has 16 divisors (see below), whose sum is σ = 655814713466880. Its totient is φ = 300579853334640.

The previous prime is 471365343107611. The next prime is 471365343107669. The reversal of 471365343107661 is 166701343563174.

It is a happy number.

It is not a de Polignac number, because 471365343107661 - 2⁶ = 471365343107597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471365343107669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11698980 + ... + 32857218.

It is an arithmetic number, because the mean of its divisors is an integer number (40988419591680).

Almost surely, 2^{471365343107661} is an apocalyptic number.

It is an amenable number.

471365343107661 is a deficient number, since it is larger than the sum of its proper divisors (184449370359219).

471365343107661 is a wasteful number, since it uses less digits than its factorization.

471365343107661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21481136.

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 471365343107661 in words is "four hundred seventy-one trillion, three hundred sixty-five billion, three hundred forty-three million, one hundred seven thousand, six hundred sixty-one".