165755536 has 20 divisors (see below), whose sum is σ = 322193664. Its totient is φ = 82608800.

The previous prime is 165755533. The next prime is 165755567. The reversal of 165755536 is 635557561.

It is a junction number, because it is equal to n+sod(n) for n = 165755492 and 165755501.

It is not an unprimeable number, because it can be changed into a prime (165755533) 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, 11680 + ... + 21631.

Almost surely, 2^165755536 is an apocalyptic number.

165755536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165755536 is a deficient number, since it is larger than the sum of its proper divisors (156438128).

165755536 is a wasteful number, since it uses less digits than its factorization.

165755536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630 (or 33624 counting only the distinct ones).

The product of its digits is 472500, while the sum is 43.

The square root of 165755536 is about 12874.6081882130. The cubic root of 165755536 is about 549.3165461036.

The spelling of 165755536 in words is "one hundred sixty-five million, seven hundred fifty-five thousand, five hundred thirty-six".