98732161 has 4 divisors (see below), whose sum is σ = 107707824. Its totient is φ = 89756500.

The previous prime is 98732159. The next prime is 98732167. The reversal of 98732161 is 16123789.

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 not a de Polignac number, because 98732161 - 2¹ = 98732159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98732161.

It is not an unprimeable number, because it can be changed into a prime (98732167) 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, 4487815 + ... + 4487836.

It is an arithmetic number, because the mean of its divisors is an integer number (26926956).

Almost surely, 2^98732161 is an apocalyptic number.

It is an amenable number.

98732161 is a deficient number, since it is larger than the sum of its proper divisors (8975663).

98732161 is a wasteful number, since it uses less digits than its factorization.

98732161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975662.

The product of its digits is 18144, while the sum is 37.

The square root of 98732161 is about 9936.4058391352. The cubic root of 98732161 is about 462.1889387318.

The spelling of 98732161 in words is "ninety-eight million, seven hundred thirty-two thousand, one hundred sixty-one".