61061060000016 has 240 divisors, whose sum is σ = 178551047001600. Its totient is φ = 19455225581568.

The previous prime is 61061059999999. The next prime is 61061060000041. The reversal of 61061060000016 is 61000006016016.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407164375 + ... + 407314313.

It is an arithmetic number, because the mean of its divisors is an integer number (743962695840).

Almost surely, 2^{61061060000016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61061060000016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89275523500800).

61061060000016 is an abundant number, since it is smaller than the sum of its proper divisors (117489987001584).

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

61061060000016 is a wasteful number, since it uses less digits than its factorization.

61061060000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150958 (or 150949 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 61061060000016 in words is "sixty-one trillion, sixty-one billion, sixty million, sixteen", and thus it is an aban number and an uban number.