116161728 has 28 divisors (see below), whose sum is σ = 307345080. Its totient is φ = 38720512.

The previous prime is 116161709. The next prime is 116161729. The reversal of 116161728 is 827161611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (116161729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302313 + ... + 302696.

It is an arithmetic number, because the mean of its divisors is an integer number (10976610).

Almost surely, 2^116161728 is an apocalyptic number.

It is an amenable number.

116161728 is an abundant number, since it is smaller than the sum of its proper divisors (191183352).

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

116161728 is an equidigital number, since it uses as much as digits as its factorization.

116161728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605024 (or 605014 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 116161728 is about 10777.8350330667. The cubic root of 116161728 is about 487.9264423753.

The spelling of 116161728 in words is "one hundred sixteen million, one hundred sixty-one thousand, seven hundred twenty-eight".