66080110155 has 16 divisors (see below), whose sum is σ = 105754527744. Its totient is φ = 35233941600.

The previous prime is 66080110111. The next prime is 66080110163. The reversal of 66080110155 is 55101108066.

It is not a de Polignac number, because 66080110155 - 2⁷ = 66080110027 is a prime.

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, 486571 + ... + 607380.

It is an arithmetic number, because the mean of its divisors is an integer number (6609657984).

Almost surely, 2^66080110155 is an apocalyptic number.

66080110155 is a deficient number, since it is larger than the sum of its proper divisors (39674417589).

66080110155 is a wasteful number, since it uses less digits than its factorization.

66080110155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097986.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 66080110155 in words is "sixty-six billion, eighty million, one hundred ten thousand, one hundred fifty-five".