66150501055005 has 16 divisors (see below), whose sum is σ = 108701363896704. Its totient is φ = 34326746493120.

The previous prime is 66150501054961. The next prime is 66150501055057. The reversal of 66150501055005 is 50055010505166.

It is not a de Polignac number, because 66150501055005 - 2¹⁰ = 66150501053981 is a prime.

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, 59595045441 + ... + 59595046550.

It is an arithmetic number, because the mean of its divisors is an integer number (6793835243544).

Almost surely, 2^{66150501055005} is an apocalyptic number.

It is an amenable number.

66150501055005 is a deficient number, since it is larger than the sum of its proper divisors (42550862841699).

66150501055005 is a wasteful number, since it uses less digits than its factorization.

66150501055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119190092036.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 66150501055005 in words is "sixty-six trillion, one hundred fifty billion, five hundred one million, fifty-five thousand, five".