161265088135 has 16 divisors (see below), whose sum is σ = 204918136416. Its totient is φ = 121413280768.

The previous prime is 161265088093. The next prime is 161265088157. The reversal of 161265088135 is 531880562161.

161265088135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 161265088135 - 2²¹ = 161262990983 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079307 + ... + 1219603.

It is an arithmetic number, because the mean of its divisors is an integer number (12807383526).

Almost surely, 2^161265088135 is an apocalyptic number.

161265088135 is a deficient number, since it is larger than the sum of its proper divisors (43653048281).

161265088135 is a wasteful number, since it uses less digits than its factorization.

161265088135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153842.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 161265088135 in words is "one hundred sixty-one billion, two hundred sixty-five million, eighty-eight thousand, one hundred thirty-five".