165675040 has 24 divisors (see below), whose sum is σ = 391407660. Its totient is φ = 66269952.

The previous prime is 165675031. The next prime is 165675043. The reversal of 165675040 is 40576561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164147344 + 1527696 = 12812^2 + 1236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165674987 and 165675005.

It is not an unprimeable number, because it can be changed into a prime (165675043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517575 + ... + 517894.

Almost surely, 2^165675040 is an apocalyptic number.

165675040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165675040 is an abundant number, since it is smaller than the sum of its proper divisors (225732620).

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

165675040 is a wasteful number, since it uses less digits than its factorization.

165675040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035484 (or 1035476 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 165675040 is about 12871.4816551942. The cubic root of 165675040 is about 549.2276100203.

The spelling of 165675040 in words is "one hundred sixty-five million, six hundred seventy-five thousand, forty".