61241886608 has 80 divisors (see below), whose sum is σ = 139411267584. Its totient is φ = 25517635200.

The previous prime is 61241886581. The next prime is 61241886611. The reversal of 61241886608 is 80668814216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756341 + ... + 833387.

Almost surely, 2^61241886608 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 61241886608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69705633792).

61241886608 is an abundant number, since it is smaller than the sum of its proper divisors (78169380976).

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

61241886608 is a wasteful number, since it uses less digits than its factorization.

61241886608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77260 (or 77254 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 61241886608 in words is "sixty-one billion, two hundred forty-one million, eight hundred eighty-six thousand, six hundred eight".