165463452 has 192 divisors, whose sum is σ = 542868480. Its totient is φ = 42336000.

The previous prime is 165463447. The next prime is 165463481. The reversal of 165463452 is 254364561.

165463452 is a `hidden beast` number, since 16 + 5 + 4 + 634 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 839818 + ... + 840014.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^165463452 is an apocalyptic number.

165463452 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 165463452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271434240).

165463452 is an abundant number, since it is smaller than the sum of its proper divisors (377405028).

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

165463452 is a wasteful number, since it uses less digits than its factorization.

165463452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 321 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 165463452 is about 12863.2597734789. The cubic root of 165463452 is about 548.9936993514.

The spelling of 165463452 in words is "one hundred sixty-five million, four hundred sixty-three thousand, four hundred fifty-two".