61205702060 has 96 divisors (see below), whose sum is σ = 141390627840. Its totient is φ = 22172064768.

The previous prime is 61205702059. The next prime is 61205702081. The reversal of 61205702060 is 6020750216.

It is a super-2 number, since 2×61205702060² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728132 + ... + 807828.

It is an arithmetic number, because the mean of its divisors is an integer number (1472819040).

Almost surely, 2^61205702060 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 61205702060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70695313920).

61205702060 is an abundant number, since it is smaller than the sum of its proper divisors (80184925780).

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

61205702060 is a wasteful number, since it uses less digits than its factorization.

61205702060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79815 (or 79813 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 61205702060 in words is "sixty-one billion, two hundred five million, seven hundred two thousand, sixty".