161055098 has 8 divisors (see below), whose sum is σ = 241705620. Its totient is φ = 80486560.

The previous prime is 161055091. The next prime is 161055101. The reversal of 161055098 is 890550161.

It can be written as a sum of positive squares in 2 ways, for example, as 112933129 + 48121969 = 10627^2 + 6937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (161055091) by changing a digit.

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, 15323 + ... + 23598.

Almost surely, 2^161055098 is an apocalyptic number.

161055098 is a deficient number, since it is larger than the sum of its proper divisors (80650522).

161055098 is a wasteful number, since it uses less digits than its factorization.

161055098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40992.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 161055098 is about 12690.7485200834. The cubic root of 161055098 is about 544.0742333999.

The spelling of 161055098 in words is "one hundred sixty-one million, fifty-five thousand, ninety-eight".