61561482316346 has 4 divisors (see below), whose sum is σ = 92342223474522. Its totient is φ = 30780741158172.

The previous prime is 61561482316297. The next prime is 61561482316349. The reversal of 61561482316346 is 64361328416516.

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

It can be written as a sum of positive squares in only one way, i.e., 46696517245225 + 14864965071121 = 6833485^2 + 3855511^2 .

It is a super-2 number, since 2×61561482316346² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61561482316291 and 61561482316300.

It is not an unprimeable number, because it can be changed into a prime (61561482316349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15390370579085 + ... + 15390370579088.

Almost surely, 2^{61561482316346} is an apocalyptic number.

61561482316346 is a deficient number, since it is larger than the sum of its proper divisors (30780741158176).

61561482316346 is a wasteful number, since it uses less digits than its factorization.

61561482316346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780741158175.

The product of its digits is 14929920, while the sum is 56.

The spelling of 61561482316346 in words is "sixty-one trillion, five hundred sixty-one billion, four hundred eighty-two million, three hundred sixteen thousand, three hundred forty-six".