61342164441 has 6 divisors (see below), whose sum is σ = 88605348650. Its totient is φ = 40894776288.

The previous prime is 61342164419. The next prime is 61342164491. The reversal of 61342164441 is 14446124316.

61342164441 is a `hidden beast` number, since 6 + 1 + 3 + 4 + 2 + 1 + 644 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37372622400 + 23969542041 = 193320^2 + 154821^2 .

It is not a de Polignac number, because 61342164441 - 2¹¹ = 61342162393 is a prime.

It is a super-2 number, since 2×61342164441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61342164396 and 61342164405.

It is not an unprimeable number, because it can be changed into a prime (61342164491) 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 5 ways as a sum of consecutive naturals, for example, 3407898016 + ... + 3407898033.

Almost surely, 2^61342164441 is an apocalyptic number.

It is an amenable number.

61342164441 is a deficient number, since it is larger than the sum of its proper divisors (27263184209).

61342164441 is a wasteful number, since it uses less digits than its factorization.

61342164441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815796055 (or 6815796052 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 61342164441 its reverse (14446124316), we get a palindrome (75788288757).

The spelling of 61342164441 in words is "sixty-one billion, three hundred forty-two million, one hundred sixty-four thousand, four hundred forty-one".