165141400 has 48 divisors (see below), whose sum is σ = 406547640. Its totient is φ = 62169600.

The previous prime is 165141377. The next prime is 165141421. The reversal of 165141400 is 4141561.

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, 20886 + ... + 27685.

Almost surely, 2^165141400 is an apocalyptic number.

165141400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165141400 is an abundant number, since it is smaller than the sum of its proper divisors (241406240).

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

165141400 is a wasteful number, since it uses less digits than its factorization.

165141400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48604 (or 48595 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 165141400 is about 12850.7353875177. The cubic root of 165141400 is about 548.6372876090.

Adding to 165141400 its reverse (4141561), we get a palindrome (169282961).

The spelling of 165141400 in words is "one hundred sixty-five million, one hundred forty-one thousand, four hundred".