66288545455 has 16 divisors (see below), whose sum is σ = 86847300000. Its totient is φ = 48171202560.

The previous prime is 66288545443. The next prime is 66288545473. The reversal of 66288545455 is 55454588266.

It is not a de Polignac number, because 66288545455 - 2⁵ = 66288545423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66288545455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413790 + ... + 551179.

It is an arithmetic number, because the mean of its divisors is an integer number (5427956250).

Almost surely, 2^66288545455 is an apocalyptic number.

66288545455 is a deficient number, since it is larger than the sum of its proper divisors (20558754545).

66288545455 is a wasteful number, since it uses less digits than its factorization.

66288545455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966234.

The product of its digits is 46080000, while the sum is 58.

The spelling of 66288545455 in words is "sixty-six billion, two hundred eighty-eight million, five hundred forty-five thousand, four hundred fifty-five".