161075084 has 24 divisors (see below), whose sum is σ = 300792240. Its totient is φ = 75250944.

The previous prime is 161075081. The next prime is 161075093. The reversal of 161075084 is 480570161.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 161075084.

It is not an unprimeable number, because it can be changed into a prime (161075081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8969 + ... + 20064.

It is an arithmetic number, because the mean of its divisors is an integer number (12533010).

Almost surely, 2^161075084 is an apocalyptic number.

It is an amenable number.

161075084 is a deficient number, since it is larger than the sum of its proper divisors (139717156).

161075084 is a wasteful number, since it uses less digits than its factorization.

161075084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29129 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 161075084 is about 12691.5359196592. The cubic root of 161075084 is about 544.0967379506.

The spelling of 161075084 in words is "one hundred sixty-one million, seventy-five thousand, eighty-four".