98432732161 has 4 divisors (see below), whose sum is σ = 102712416192. Its totient is φ = 94153048132.

The previous prime is 98432732137. The next prime is 98432732171. The reversal of 98432732161 is 16123723489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98432732161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98432732131) 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, 2139841981 + ... + 2139842026.

It is an arithmetic number, because the mean of its divisors is an integer number (25678104048).

Almost surely, 2^98432732161 is an apocalyptic number.

It is an amenable number.

98432732161 is a deficient number, since it is larger than the sum of its proper divisors (4279684031).

98432732161 is a wasteful number, since it uses less digits than its factorization.

98432732161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279684030.

The product of its digits is 435456, while the sum is 46.

The spelling of 98432732161 in words is "ninety-eight billion, four hundred thirty-two million, seven hundred thirty-two thousand, one hundred sixty-one".