165441402200 has 48 divisors (see below), whose sum is σ = 386081316000. Its totient is φ = 65930529920.

The previous prime is 165441402107. The next prime is 165441402229. The reversal of 165441402200 is 2204144561.

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 11 ways as a sum of consecutive naturals, for example, 1483760 + ... + 1591359.

It is an arithmetic number, because the mean of its divisors is an integer number (8043360750).

Almost surely, 2^165441402200 is an apocalyptic number.

165441402200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165441402200 is an abundant number, since it is smaller than the sum of its proper divisors (220639913800).

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

165441402200 is a wasteful number, since it uses less digits than its factorization.

165441402200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075404 (or 3075395 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 165441402200 its reverse (2204144561), we get a palindrome (167645546761).

The spelling of 165441402200 in words is "one hundred sixty-five billion, four hundred forty-one million, four hundred two thousand, two hundred".