66102030645535 has 16 divisors (see below), whose sum is σ = 84601516952736. Its totient is φ = 49407649174528.

The previous prime is 66102030645527. The next prime is 66102030645601. The reversal of 66102030645535 is 53554603020166.

66102030645535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66102030645535 - 2³ = 66102030645527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838203497 + ... + 2838226786.

It is an arithmetic number, because the mean of its divisors is an integer number (5287594809546).

Almost surely, 2^{66102030645535} is an apocalyptic number.

66102030645535 is a deficient number, since it is larger than the sum of its proper divisors (18499486307201).

66102030645535 is a wasteful number, since it uses less digits than its factorization.

66102030645535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676430442.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 66102030645535 in words is "sixty-six trillion, one hundred two billion, thirty million, six hundred forty-five thousand, five hundred thirty-five".