65505061012170 has 32 divisors (see below), whose sum is σ = 169305388463232. Its totient is φ = 16124322710592.

The previous prime is 65505061012169. The next prime is 65505061012177. The reversal of 65505061012170 is 7121016050556.

It is a happy number.

65505061012170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65505061012170² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (65505061012177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83980847062 + ... + 83980847841.

It is an arithmetic number, because the mean of its divisors is an integer number (5290793389476).

Almost surely, 2^{65505061012170} is an apocalyptic number.

65505061012170 is an abundant number, since it is smaller than the sum of its proper divisors (103800327451062).

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

65505061012170 is a wasteful number, since it uses less digits than its factorization.

65505061012170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167961694926.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 65505061012170 in words is "sixty-five trillion, five hundred five billion, sixty-one million, twelve thousand, one hundred seventy".