165144410 has 8 divisors (see below), whose sum is σ = 297259956. Its totient is φ = 66057760.

The previous prime is 165144391. The next prime is 165144451. The reversal of 165144410 is 14441561.

It can be written as a sum of positive squares in 2 ways, for example, as 162843121 + 2301289 = 12761^2 + 1517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 165144410.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8257211 + ... + 8257230.

Almost surely, 2^165144410 is an apocalyptic number.

165144410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165144410 is a deficient number, since it is larger than the sum of its proper divisors (132115546).

165144410 is a wasteful number, since it uses less digits than its factorization.

165144410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16514448.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 165144410 is about 12850.8525009044. The cubic root of 165144410 is about 548.6406208903.

Adding to 165144410 its reverse (14441561), we get a palindrome (179585971).

The spelling of 165144410 in words is "one hundred sixty-five million, one hundred forty-four thousand, four hundred ten".