165478360 has 32 divisors (see below), whose sum is σ = 378435600. Its totient is φ = 65105280.

The previous prime is 165478301. The next prime is 165478387. The reversal of 165478360 is 63874561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31470 + ... + 36349.

Almost surely, 2^165478360 is an apocalyptic number.

165478360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165478360 is an abundant number, since it is smaller than the sum of its proper divisors (212957240).

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

165478360 is a wasteful number, since it uses less digits than its factorization.

165478360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67891 (or 67887 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 165478360 is about 12863.8392402890. The cubic root of 165478360 is about 549.0101866827.

The spelling of 165478360 in words is "one hundred sixty-five million, four hundred seventy-eight thousand, three hundred sixty".