98165616191 has 4 divisors (see below), whose sum is σ = 98167144584. Its totient is φ = 98164087800.

The previous prime is 98165616179. The next prime is 98165616193. The reversal of 98165616191 is 19161656189.

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

It is a cyclic number.

It is not a de Polignac number, because 98165616191 - 2²² = 98161421887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98165616193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663425 + ... + 797786.

It is an arithmetic number, because the mean of its divisors is an integer number (24541786146).

Almost surely, 2^98165616191 is an apocalyptic number.

98165616191 is a deficient number, since it is larger than the sum of its proper divisors (1528393).

98165616191 is a wasteful number, since it uses less digits than its factorization.

98165616191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528392.

The product of its digits is 699840, while the sum is 53.

The spelling of 98165616191 in words is "ninety-eight billion, one hundred sixty-five million, six hundred sixteen thousand, one hundred ninety-one".