161094128 has 20 divisors (see below), whose sum is σ = 336129528. Its totient is φ = 74351040.

The previous prime is 161094113. The next prime is 161094161. The reversal of 161094128 is 821490161.

It is a junction number, because it is equal to n+sod(n) for n = 161094094 and 161094103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387038 + ... + 387453.

Almost surely, 2^161094128 is an apocalyptic number.

It is an amenable number.

161094128 is an abundant number, since it is smaller than the sum of its proper divisors (175035400).

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

161094128 is a wasteful number, since it uses less digits than its factorization.

161094128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774512 (or 774506 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 161094128 is about 12692.2861612871. The cubic root of 161094128 is about 544.1181800626.

The spelling of 161094128 in words is "one hundred sixty-one million, ninety-four thousand, one hundred twenty-eight".