165253526 has 12 divisors (see below), whose sum is σ = 261614412. Its totient is φ = 78277644.

The previous prime is 165253511. The next prime is 165253559. The reversal of 165253526 is 625352561.

165253526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113720 + ... + 115163.

It is an arithmetic number, because the mean of its divisors is an integer number (21801201).

Almost surely, 2^165253526 is an apocalyptic number.

165253526 is a deficient number, since it is larger than the sum of its proper divisors (96360886).

165253526 is a wasteful number, since it uses less digits than its factorization.

165253526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228923 (or 228904 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 165253526 is about 12855.0972769559. The cubic root of 165253526 is about 548.7614288745.

It can be divided in two parts, 1652535 and 26, that added together give a palindrome (1652561).

The spelling of 165253526 in words is "one hundred sixty-five million, two hundred fifty-three thousand, five hundred twenty-six".