61463897171 has 16 divisors (see below), whose sum is σ = 67590650880. Its totient is φ = 55657895040.

The previous prime is 61463897161. The next prime is 61463897249. The reversal of 61463897171 is 17179836416.

It is a cyclic number.

It is not a de Polignac number, because 61463897171 - 2¹⁰ = 61463896147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61463897161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604775 + ... + 699056.

It is an arithmetic number, because the mean of its divisors is an integer number (4224415680).

Almost surely, 2^61463897171 is an apocalyptic number.

61463897171 is a deficient number, since it is larger than the sum of its proper divisors (6126753709).

61463897171 is a wasteful number, since it uses less digits than its factorization.

61463897171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303954.

The product of its digits is 1524096, while the sum is 53.

The spelling of 61463897171 in words is "sixty-one billion, four hundred sixty-three million, eight hundred ninety-seven thousand, one hundred seventy-one".