161255015265334 has 16 divisors (see below), whose sum is σ = 242101408331376. Its totient is φ = 80554577216800.

The previous prime is 161255015265329. The next prime is 161255015265347. The reversal of 161255015265334 is 433562510552161.

161255015265334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429124 + ... + 18122104.

It is an arithmetic number, because the mean of its divisors is an integer number (15131338020711).

Almost surely, 2^{161255015265334} is an apocalyptic number.

161255015265334 is a deficient number, since it is larger than the sum of its proper divisors (80846393066042).

161255015265334 is a wasteful number, since it uses less digits than its factorization.

161255015265334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15697631.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 161255015265334 in words is "one hundred sixty-one trillion, two hundred fifty-five billion, fifteen million, two hundred sixty-five thousand, three hundred thirty-four".