161928084 has 24 divisors (see below), whose sum is σ = 378328608. Its totient is φ = 53905120.

The previous prime is 161928061. The next prime is 161928101. The reversal of 161928084 is 480829161.

161928084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161928084² = 52441408775822112, which contains 22 as substring.

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, 1099 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (15763692).

Almost surely, 2^161928084 is an apocalyptic number.

It is an amenable number.

161928084 is an abundant number, since it is smaller than the sum of its proper divisors (216400524).

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

161928084 is a wasteful number, since it uses less digits than its factorization.

161928084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17735 (or 17733 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 161928084 is about 12725.0966204583. The cubic root of 161928084 is about 545.0554992158.

The spelling of 161928084 in words is "one hundred sixty-one million, nine hundred twenty-eight thousand, eighty-four".