165079408 has 40 divisors (see below), whose sum is σ = 352473968. Its totient is φ = 74414592.

The previous prime is 165079403. The next prime is 165079477. The reversal of 165079408 is 804970561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165079403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 18172.

Almost surely, 2^165079408 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 165079408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176236984).

165079408 is an abundant number, since it is smaller than the sum of its proper divisors (187394560).

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

165079408 is a wasteful number, since it uses less digits than its factorization.

165079408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521 (or 18515 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 165079408 is about 12848.3231590741. The cubic root of 165079408 is about 548.5686285096.

The spelling of 165079408 in words is "one hundred sixty-five million, seventy-nine thousand, four hundred eight".