133465013163165 has 16 divisors (see below), whose sum is σ = 226105434065088. Its totient is φ = 66994202685696.

The previous prime is 133465013163127. The next prime is 133465013163241. The reversal of 133465013163165 is 561361310564331.

It is not a de Polignac number, because 133465013163165 - 2¹³ = 133465013154973 is a prime.

It is a congruent number.

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, 261696103987 + ... + 261696104496.

It is an arithmetic number, because the mean of its divisors is an integer number (14131589629068).

Almost surely, 2^{133465013163165} is an apocalyptic number.

133465013163165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133465013163165 is a deficient number, since it is larger than the sum of its proper divisors (92640420901923).

133465013163165 is a wasteful number, since it uses less digits than its factorization.

133465013163165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523392208508.

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 133465013163165 in words is "one hundred thirty-three trillion, four hundred sixty-five billion, thirteen million, one hundred sixty-three thousand, one hundred sixty-five".