61030880650 has 48 divisors (see below), whose sum is σ = 120688061184. Its totient is φ = 22910338880.

The previous prime is 61030880641. The next prime is 61030880663. The reversal of 61030880650 is 5608803016.

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 23 ways as a sum of consecutive naturals, for example, 439714 + ... + 561613.

It is an arithmetic number, because the mean of its divisors is an integer number (2514334608).

Almost surely, 2^61030880650 is an apocalyptic number.

61030880650 is a deficient number, since it is larger than the sum of its proper divisors (59657180534).

61030880650 is a wasteful number, since it uses less digits than its factorization.

61030880650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001415 (or 1001410 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 61030880650 in words is "sixty-one billion, thirty million, eight hundred eighty thousand, six hundred fifty".