165852480658 has 16 divisors (see below), whose sum is σ = 263488884120. Its totient is φ = 78025671936.

The previous prime is 165852480623. The next prime is 165852480659. The reversal of 165852480658 is 856084258561.

It can be written as a sum of positive squares in 4 ways, for example, as 91610944929 + 74241535729 = 302673^2 + 272473^2 .

It is a super-2 number, since 2×165852480658² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165852480659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585141 + ... + 821032.

Almost surely, 2^165852480658 is an apocalyptic number.

165852480658 is a deficient number, since it is larger than the sum of its proper divisors (97636403462).

165852480658 is a wasteful number, since it uses less digits than its factorization.

165852480658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409661.

The product of its (nonzero) digits is 18432000, while the sum is 58.

The spelling of 165852480658 in words is "one hundred sixty-five billion, eight hundred fifty-two million, four hundred eighty thousand, six hundred fifty-eight".