65115051101166 has 64 divisors (see below), whose sum is σ = 151205625248256. Its totient is φ = 18474913996800.

The previous prime is 65115051101159. The next prime is 65115051101179. The reversal of 65115051101166 is 66110115051156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150132690 + ... + 150565781.

It is an arithmetic number, because the mean of its divisors is an integer number (2362587894504).

Almost surely, 2^{65115051101166} is an apocalyptic number.

65115051101166 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65115051101166 is an abundant number, since it is smaller than the sum of its proper divisors (86090574147090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65115051101166 is a wasteful number, since it uses less digits than its factorization.

65115051101166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300698697.

The product of its (nonzero) digits is 27000, while the sum is 39.

The spelling of 65115051101166 in words is "sixty-five trillion, one hundred fifteen billion, fifty-one million, one hundred one thousand, one hundred sixty-six".