165263052 has 48 divisors (see below), whose sum is σ = 411112800. Its totient is φ = 51489792.

The previous prime is 165263051. The next prime is 165263081. The reversal of 165263052 is 250362561.

It is not an unprimeable number, because it can be changed into a prime (165263051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27678 + ... + 33114.

It is an arithmetic number, because the mean of its divisors is an integer number (8564850).

Almost surely, 2^165263052 is an apocalyptic number.

165263052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165263052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205556400).

165263052 is an abundant number, since it is smaller than the sum of its proper divisors (245849748).

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

165263052 is a wasteful number, since it uses less digits than its factorization.

165263052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 165263052 is about 12855.4677861212. The cubic root of 165263052 is about 548.7719730790.

The spelling of 165263052 in words is "one hundred sixty-five million, two hundred sixty-three thousand, fifty-two".