61516424106 has 40 divisors (see below), whose sum is σ = 139207170564. Its totient is φ = 20302444800.

The previous prime is 61516424071. The next prime is 61516424119. The reversal of 61516424106 is 60142461516.

61516424106 is a `hidden beast` number, since 6 + 1 + 5 + 1 + 642 + 4 + 1 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39557629881 + 21958794225 = 198891^2 + 148185^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1863495 + ... + 1896218.

Almost surely, 2^61516424106 is an apocalyptic number.

61516424106 is an abundant number, since it is smaller than the sum of its proper divisors (77690746458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61516424106 is a wasteful number, since it uses less digits than its factorization.

61516424106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759828 (or 3759819 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 61516424106 in words is "sixty-one billion, five hundred sixteen million, four hundred twenty-four thousand, one hundred six".