133501016422165 has 128 divisors (see below), whose sum is σ = 200998431424512. Its totient is φ = 83112105922560.

The previous prime is 133501016422157. The next prime is 133501016422177. The reversal of 133501016422165 is 561224610105331.

It is not a de Polignac number, because 133501016422165 - 2³ = 133501016422157 is a prime.

It is a Duffinian 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 127 ways as a sum of consecutive naturals, for example, 4381808262 + ... + 4381838728.

It is an arithmetic number, because the mean of its divisors is an integer number (1570300245504).

Almost surely, 2^{133501016422165} is an apocalyptic number.

It is an amenable number.

133501016422165 is a deficient number, since it is larger than the sum of its proper divisors (67497415002347).

133501016422165 is a wasteful number, since it uses less digits than its factorization.

133501016422165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33899.

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 133501016422165 its reverse (561224610105331), we get a palindrome (694725626527496).

The spelling of 133501016422165 in words is "one hundred thirty-three trillion, five hundred one billion, sixteen million, four hundred twenty-two thousand, one hundred sixty-five".