66105103466 has 64 divisors (see below), whose sum is σ = 109156222080. Its totient is φ = 29897164800.

The previous prime is 66105103433. The next prime is 66105103501. The reversal of 66105103466 is 66430150166.

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 31 ways as a sum of consecutive naturals, for example, 36703766 + ... + 36705566.

It is an arithmetic number, because the mean of its divisors is an integer number (1705565970).

Almost surely, 2^66105103466 is an apocalyptic number.

66105103466 is a deficient number, since it is larger than the sum of its proper divisors (43051118614).

66105103466 is a wasteful number, since it uses less digits than its factorization.

66105103466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 66105103466 in words is "sixty-six billion, one hundred five million, one hundred three thousand, four hundred sixty-six".