61560433406516 has 48 divisors (see below), whose sum is σ = 122678073624960. Its totient is φ = 26755835272320.

The previous prime is 61560433406419. The next prime is 61560433406519.

61560433406516 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61560433406516² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61560433406519) 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, 8043671 + ... + 13704798.

It is an arithmetic number, because the mean of its divisors is an integer number (2555793200520).

Almost surely, 2^{61560433406516} is an apocalyptic number.

It is an amenable number.

61560433406516 is a deficient number, since it is larger than the sum of its proper divisors (61117640218444).

61560433406516 is a wasteful number, since it uses less digits than its factorization.

61560433406516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21751304 (or 21751302 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 61560433406516 in words is "sixty-one trillion, five hundred sixty billion, four hundred thirty-three million, four hundred six thousand, five hundred sixteen".