165384056 has 16 divisors (see below), whose sum is σ = 326416200. Its totient is φ = 78339744.

The previous prime is 165384049. The next prime is 165384067. The reversal of 165384056 is 650483561.

It is a super-2 number, since 2×165384056² = 54703771958022272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543875 + ... + 544178.

Almost surely, 2^165384056 is an apocalyptic number.

It is an amenable number.

165384056 is a deficient number, since it is larger than the sum of its proper divisors (161032144).

165384056 is a wasteful number, since it uses less digits than its factorization.

165384056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088078 (or 1088074 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 165384056 is about 12860.1732492218. The cubic root of 165384056 is about 548.9058755715.

The spelling of 165384056 in words is "one hundred sixty-five million, three hundred eighty-four thousand, fifty-six".