161882098 has 16 divisors (see below), whose sum is σ = 278055360. Its totient is φ = 69242256.

The previous prime is 161882047. The next prime is 161882101. The reversal of 161882098 is 890288161.

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, 3733 + ... + 18376.

It is an arithmetic number, because the mean of its divisors is an integer number (17378460).

Almost surely, 2^161882098 is an apocalyptic number.

161882098 is a deficient number, since it is larger than the sum of its proper divisors (116173262).

161882098 is a wasteful number, since it uses less digits than its factorization.

161882098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22641.

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 161882098 is about 12723.2895903536. The cubic root of 161882098 is about 545.0038975116.

The spelling of 161882098 in words is "one hundred sixty-one million, eight hundred eighty-two thousand, ninety-eight".