165563202610 has 32 divisors (see below), whose sum is σ = 323280547632. Its totient is φ = 60684810240.

The previous prime is 165563202569. The next prime is 165563202619. The reversal of 165563202610 is 16202365561.

165563202610 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 8 ways, for example, as 98928491841 + 66634710769 = 314529^2 + 258137^2 .

It is a super-2 number, since 2×165563202610² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165563202610.

It is not an unprimeable number, because it can be changed into a prime (165563202619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4630231 + ... + 4665850.

Almost surely, 2^165563202610 is an apocalyptic number.

165563202610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165563202610 is a deficient number, since it is larger than the sum of its proper divisors (157717345022).

165563202610 is a wasteful number, since it uses less digits than its factorization.

165563202610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296238.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 165563202610 in words is "one hundred sixty-five billion, five hundred sixty-three million, two hundred two thousand, six hundred ten".