161043098 has 8 divisors (see below), whose sum is σ = 241631040. Its totient is φ = 80499420.

The previous prime is 161043083. The next prime is 161043101. The reversal of 161043098 is 890340161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (30203880).

Almost surely, 2^161043098 is an apocalyptic number.

161043098 is a deficient number, since it is larger than the sum of its proper divisors (80587942).

161043098 is a wasteful number, since it uses less digits than its factorization.

161043098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 161043098 is about 12690.2757259249. The cubic root of 161043098 is about 544.0607203164.

The spelling of 161043098 in words is "one hundred sixty-one million, forty-three thousand, ninety-eight".