161848798 has 4 divisors (see below), whose sum is σ = 242773200. Its totient is φ = 80924398.

The previous prime is 161848793. The next prime is 161848807. The reversal of 161848798 is 897848161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 897848161 = 7 ⋅128264023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161848793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40462198 + ... + 40462201.

It is an arithmetic number, because the mean of its divisors is an integer number (60693300).

Almost surely, 2^161848798 is an apocalyptic number.

161848798 is a deficient number, since it is larger than the sum of its proper divisors (80924402).

161848798 is an equidigital number, since it uses as much as digits as its factorization.

161848798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80924401.

The product of its digits is 774144, while the sum is 52.

The square root of 161848798 is about 12721.9808992153. The cubic root of 161848798 is about 544.9665248917.

The spelling of 161848798 in words is "one hundred sixty-one million, eight hundred forty-eight thousand, seven hundred ninety-eight".