65610066160 has 20 divisors (see below), whose sum is σ = 152543404008. Its totient is φ = 26244026432.

The previous prime is 65610066107. The next prime is 65610066161. The reversal of 65610066160 is 6166001656.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65610066161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410062834 + ... + 410062993.

Almost surely, 2^65610066160 is an apocalyptic number.

It is an amenable number.

65610066160 is an abundant number, since it is smaller than the sum of its proper divisors (86933337848).

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

65610066160 is a wasteful number, since it uses less digits than its factorization.

65610066160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820125840 (or 820125834 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 65610066160 in words is "sixty-five billion, six hundred ten million, sixty-six thousand, one hundred sixty".