61610115131736 has 32 divisors (see below), whose sum is σ = 154046071608000. Its totient is φ = 20533933873440.

The previous prime is 61610115131717. The next prime is 61610115131743. The reversal of 61610115131736 is 63713151101616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173016586 + ... + 173372313.

It is an arithmetic number, because the mean of its divisors is an integer number (4813939737750).

Almost surely, 2^{61610115131736} is an apocalyptic number.

It is an amenable number.

61610115131736 is an abundant number, since it is smaller than the sum of its proper divisors (92435956476264).

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

61610115131736 is a wasteful number, since it uses less digits than its factorization.

61610115131736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346396319 (or 346396315 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 61610115131736 in words is "sixty-one trillion, six hundred ten billion, one hundred fifteen million, one hundred thirty-one thousand, seven hundred thirty-six".