61070414688 has 144 divisors (see below), whose sum is σ = 184695703920. Its totient is φ = 19086409728.

The previous prime is 61070414663. The next prime is 61070414711. The reversal of 61070414688 is 88641407016.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×61070414688² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473256 + ... + 588312.

It is an arithmetic number, because the mean of its divisors is an integer number (1282609055).

Almost surely, 2^61070414688 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 61070414688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92347851960).

61070414688 is an abundant number, since it is smaller than the sum of its proper divisors (123625289232).

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

61070414688 is a wasteful number, since it uses less digits than its factorization.

61070414688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115189 (or 115178 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 61070414688 in words is "sixty-one billion, seventy million, four hundred fourteen thousand, six hundred eighty-eight".