665141603055 has 32 divisors (see below), whose sum is σ = 1070003810304. Its totient is φ = 352817705856.

The previous prime is 665141603053. The next prime is 665141603207. The reversal of 665141603055 is 550306141566.

It is not a de Polignac number, because 665141603055 - 2¹ = 665141603053 is a prime.

It is a super-2 number, since 2×665141603055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 665141602998 and 665141603016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665141603053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8717682 + ... + 8793648.

It is an arithmetic number, because the mean of its divisors is an integer number (33437619072).

Almost surely, 2^665141603055 is an apocalyptic number.

665141603055 is a deficient number, since it is larger than the sum of its proper divisors (404862207249).

665141603055 is a wasteful number, since it uses less digits than its factorization.

665141603055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79135.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 665141603055 in words is "six hundred sixty-five billion, one hundred forty-one million, six hundred three thousand, fifty-five".