165453948 has 96 divisors (see below), whose sum is σ = 472227840. Its totient is φ = 50094000.

The previous prime is 165453931. The next prime is 165454007. The reversal of 165453948 is 849354561.

165453948 is a `hidden beast` number, since 16 + 545 + 3 + 94 + 8 = 666.

165453948 is digitally balanced in base 2 and base 3, because in such bases 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 31 ways as a sum of consecutive naturals, for example, 143173 + ... + 144323.

It is an arithmetic number, because the mean of its divisors is an integer number (4919040).

Almost surely, 2^165453948 is an apocalyptic number.

165453948 is a gapful number since it is divisible by the number (18) 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 165453948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236113920).

165453948 is an abundant number, since it is smaller than the sum of its proper divisors (306773892).

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

165453948 is a wasteful number, since it uses less digits than its factorization.

165453948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1167 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 165453948 is about 12862.8903439313. The cubic root of 165453948 is about 548.9831879948.

The spelling of 165453948 in words is "one hundred sixty-five million, four hundred fifty-three thousand, nine hundred forty-eight".