161480028 has 24 divisors (see below), whose sum is σ = 377129088. Its totient is φ = 53777776.

The previous prime is 161480021. The next prime is 161480041. The reversal of 161480028 is 820084161.

It is a junction number, because it is equal to n+sod(n) for n = 161479977 and 161480004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161480021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9175 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (15713712).

Almost surely, 2^161480028 is an apocalyptic number.

It is an amenable number.

161480028 is an abundant number, since it is smaller than the sum of its proper divisors (215649060).

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

161480028 is a wasteful number, since it uses less digits than its factorization.

161480028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233 (or 12231 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 161480028 is about 12707.4792150135. The cubic root of 161480028 is about 544.5523108537.

The spelling of 161480028 in words is "one hundred sixty-one million, four hundred eighty thousand, twenty-eight".