165513200 has 30 divisors (see below), whose sum is σ = 397646424. Its totient is φ = 66205120.

The previous prime is 165513167. The next prime is 165513209. The reversal of 165513200 is 2315561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165513209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206492 + ... + 207291.

Almost surely, 2^165513200 is an apocalyptic number.

165513200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165513200 is an abundant number, since it is smaller than the sum of its proper divisors (232133224).

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

165513200 is a wasteful number, since it uses less digits than its factorization.

165513200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413801 (or 413790 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 165513200 is about 12865.1933526084. The cubic root of 165513200 is about 549.0487137197.

Adding to 165513200 its reverse (2315561), we get a palindrome (167828761).

The spelling of 165513200 in words is "one hundred sixty-five million, five hundred thirteen thousand, two hundred".