165495450 has 48 divisors (see below), whose sum is σ = 421535520. Its totient is φ = 42937920.

The previous prime is 165495439. The next prime is 165495457. The reversal of 165495450 is 54594561.

165495450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165495399 and 165495408.

It is not an unprimeable number, because it can be changed into a prime (165495457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9360 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (8781990).

Almost surely, 2^165495450 is an apocalyptic number.

165495450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165495450 is an abundant number, since it is smaller than the sum of its proper divisors (256040070).

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

165495450 is a wasteful number, since it uses less digits than its factorization.

165495450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29871 (or 29866 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 165495450 is about 12864.5034882812. The cubic root of 165495450 is about 549.0290859537.

The spelling of 165495450 in words is "one hundred sixty-five million, four hundred ninety-five thousand, four hundred fifty".