66411362050 has 24 divisors (see below), whose sum is σ = 134754692112. Its totient is φ = 24149586000.

The previous prime is 66411361987. The next prime is 66411362057. The reversal of 66411362050 is 5026311466.

It is a junction number, because it is equal to n+sod(n) for n = 66411361997 and 66411362015.

It is not an unprimeable number, because it can be changed into a prime (66411362057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60373416 + ... + 60374515.

It is an arithmetic number, because the mean of its divisors is an integer number (5614778838).

Almost surely, 2^66411362050 is an apocalyptic number.

66411362050 is an abundant number, since it is smaller than the sum of its proper divisors (68343330062).

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

66411362050 is a wasteful number, since it uses less digits than its factorization.

66411362050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120747954 (or 120747949 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 66411362050 in words is "sixty-six billion, four hundred eleven million, three hundred sixty-two thousand, fifty".