1345653210165 has 64 divisors (see below), whose sum is σ = 2382324037632. Its totient is φ = 643122771200.

The previous prime is 1345653210131. The next prime is 1345653210191. The reversal of 1345653210165 is 5610123565431.

It is a happy number.

It is not a de Polignac number, because 1345653210165 - 2⁶ = 1345653210101 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91990582 + ... + 92005208.

It is an arithmetic number, because the mean of its divisors is an integer number (37223813088).

Almost surely, 2^{1345653210165} is an apocalyptic number.

1345653210165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345653210165 is a deficient number, since it is larger than the sum of its proper divisors (1036670827467).

1345653210165 is a wasteful number, since it uses less digits than its factorization.

1345653210165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22570.

The product of its (nonzero) digits is 324000, while the sum is 42.

Adding to 1345653210165 its reverse (5610123565431), we get a palindrome (6955776775596).

The spelling of 1345653210165 in words is "one trillion, three hundred forty-five billion, six hundred fifty-three million, two hundred ten thousand, one hundred sixty-five".