161008084 has 6 divisors (see below), whose sum is σ = 281764154. Its totient is φ = 80504040.

The previous prime is 161008063. The next prime is 161008093. The reversal of 161008084 is 480800161.

161008084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 106543684 + 54464400 = 10322^2 + 7380^2 .

It is a super-2 number, since 2×161008084² = 51847206226702112, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 20126007 + ... + 20126014.

Almost surely, 2^161008084 is an apocalyptic number.

It is an amenable number.

161008084 is a deficient number, since it is larger than the sum of its proper divisors (120756070).

161008084 is a wasteful number, since it uses less digits than its factorization.

161008084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40252025 (or 40252023 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 161008084 is about 12688.8960906771. The cubic root of 161008084 is about 544.0212875537.

The spelling of 161008084 in words is "one hundred sixty-one million, eight thousand, eighty-four".