1428310817165 has 16 divisors (see below), whose sum is σ = 1828896916800. Its totient is φ = 1067680351872.

The previous prime is 1428310817161. The next prime is 1428310817191. The reversal of 1428310817165 is 5617180138241.

It is a cyclic number.

It is not a de Polignac number, because 1428310817165 - 2² = 1428310817161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428310817161) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 102971495 + ... + 102985364.

It is an arithmetic number, because the mean of its divisors is an integer number (114306057300).

Almost surely, 2^{1428310817165} is an apocalyptic number.

It is an amenable number.

1428310817165 is a deficient number, since it is larger than the sum of its proper divisors (400586099635).

1428310817165 is a wasteful number, since it uses less digits than its factorization.

1428310817165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205956956.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 1428310817165 in words is "one trillion, four hundred twenty-eight billion, three hundred ten million, eight hundred seventeen thousand, one hundred sixty-five".