66110510160 has 60 divisors (see below), whose sum is σ = 222021132372. Its totient is φ = 17629469184.

The previous prime is 66110510113. The next prime is 66110510189. The reversal of 66110510160 is 6101501166.

66110510160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49887902736 + 16222607424 = 223356^2 + 127368^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45909357 + ... + 45910796.

Almost surely, 2^66110510160 is an apocalyptic number.

66110510160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66110510160 is an abundant number, since it is smaller than the sum of its proper divisors (155910622212).

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

66110510160 is a wasteful number, since it uses less digits than its factorization.

66110510160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91820172 (or 91820163 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 66110510160 in words is "sixty-six billion, one hundred ten million, five hundred ten thousand, one hundred sixty".