98185618645574 has 4 divisors (see below), whose sum is σ = 147278427968364. Its totient is φ = 49092809322786.

The previous prime is 98185618645483. The next prime is 98185618645577. The reversal of 98185618645574 is 47554681658189.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 98185618645495 and 98185618645504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98185618645577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24546404661392 + ... + 24546404661395.

It is an arithmetic number, because the mean of its divisors is an integer number (36819606992091).

Almost surely, 2^{98185618645574} is an apocalyptic number.

98185618645574 is a deficient number, since it is larger than the sum of its proper divisors (49092809322790).

98185618645574 is a wasteful number, since it uses less digits than its factorization.

98185618645574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49092809322789.

The product of its digits is 2322432000, while the sum is 77.

The spelling of 98185618645574 in words is "ninety-eight trillion, one hundred eighty-five billion, six hundred eighteen million, six hundred forty-five thousand, five hundred seventy-four".