66620415303044 has 12 divisors (see below), whose sum is σ = 116586270235344. Its totient is φ = 33310052378664.

The previous prime is 66620415303023. The next prime is 66620415303191. The reversal of 66620415303044 is 44030351402666.

66620415303044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66620415302986 and 66620415303004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37850162 + ... + 39571145.

It is an arithmetic number, because the mean of its divisors is an integer number (9715522519612).

Almost surely, 2^{66620415303044} is an apocalyptic number.

It is an amenable number.

66620415303044 is a deficient number, since it is larger than the sum of its proper divisors (49965854932300).

66620415303044 is a wasteful number, since it uses less digits than its factorization.

66620415303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77636434 (or 77636432 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 66620415303044 in words is "sixty-six trillion, six hundred twenty billion, four hundred fifteen million, three hundred three thousand, forty-four".