165042410 has 32 divisors (see below), whose sum is σ = 320498640. Its totient is φ = 60830208.

The previous prime is 165042407. The next prime is 165042421. The reversal of 165042410 is 14240561.

It can be written as a sum of positive squares in 8 ways, for example, as 137992009 + 27050401 = 11747^2 + 5201^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133676 + ... + 134904.

Almost surely, 2^165042410 is an apocalyptic number.

165042410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165042410 is a deficient number, since it is larger than the sum of its proper divisors (155456230).

165042410 is a wasteful number, since it uses less digits than its factorization.

165042410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 165042410 is about 12846.8832796130. The cubic root of 165042410 is about 548.5276432674.

Adding to 165042410 its reverse (14240561), we get a palindrome (179282971).

The spelling of 165042410 in words is "one hundred sixty-five million, forty-two thousand, four hundred ten".