163501702145 has 16 divisors (see below), whose sum is σ = 208300332240. Its totient is φ = 122777094144.

The previous prime is 163501702127. The next prime is 163501702183. The reversal of 163501702145 is 541207105361.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9294695281 + 154207006864 = 96409^2 + 392692^2 .

It is a cyclic number.

It is not a de Polignac number, because 163501702145 - 2¹² = 163501698049 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2546780 + ... + 2610189.

It is an arithmetic number, because the mean of its divisors is an integer number (13018770765).

Almost surely, 2^163501702145 is an apocalyptic number.

It is an amenable number.

163501702145 is a deficient number, since it is larger than the sum of its proper divisors (44798630095).

163501702145 is a wasteful number, since it uses less digits than its factorization.

163501702145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157364.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 163501702145 in words is "one hundred sixty-three billion, five hundred one million, seven hundred two thousand, one hundred forty-five".