161128954254 has 32 divisors (see below), whose sum is σ = 330323331744. Its totient is φ = 52367045120.

The previous prime is 161128954253. The next prime is 161128954267. The reversal of 161128954254 is 452459821161.

161128954254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161128954253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193762 + ... + 599834.

It is an arithmetic number, because the mean of its divisors is an integer number (10322604117).

Almost surely, 2^161128954254 is an apocalyptic number.

161128954254 is an abundant number, since it is smaller than the sum of its proper divisors (169194377490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161128954254 is a wasteful number, since it uses less digits than its factorization.

161128954254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407732.

The product of its digits is 691200, while the sum is 48.

The spelling of 161128954254 in words is "one hundred sixty-one billion, one hundred twenty-eight million, nine hundred fifty-four thousand, two hundred fifty-four".