408165108 has 96 divisors (see below), whose sum is σ = 1056706560. Its totient is φ = 121837440.

The previous prime is 408165103. The next prime is 408165157. The reversal of 408165108 is 801561804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408165101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1312273 + ... + 1312583.

It is an arithmetic number, because the mean of its divisors is an integer number (11007360).

Almost surely, 2^408165108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408165108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528353280).

408165108 is an abundant number, since it is smaller than the sum of its proper divisors (648541452).

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

408165108 is a wasteful number, since it uses less digits than its factorization.

408165108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 408165108 is about 20203.0964953395. The cubic root of 408165108 is about 741.7859879787.

The spelling of 408165108 in words is "four hundred eight million, one hundred sixty-five thousand, one hundred eight".