10471057661 has 4 divisors (see below), whose sum is σ = 10471834524. Its totient is φ = 10470280800.

The previous prime is 10471057621. The next prime is 10471057693. The reversal of 10471057661 is 16675017401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6753716761 + 3717340900 = 82181^2 + 60970^2 .

It is a cyclic number.

It is not a de Polignac number, because 10471057661 - 2¹⁰ = 10471056637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10471057621) by changing a digit.

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, 367850 + ... + 395291.

It is an arithmetic number, because the mean of its divisors is an integer number (2617958631).

Almost surely, 2^10471057661 is an apocalyptic number.

It is an amenable number.

10471057661 is a deficient number, since it is larger than the sum of its proper divisors (776863).

10471057661 is an equidigital number, since it uses as much as digits as its factorization.

10471057661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776862.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 10471057661 in words is "ten billion, four hundred seventy-one million, fifty-seven thousand, six hundred sixty-one".