98616670221 has 4 divisors (see below), whose sum is σ = 131488893632. Its totient is φ = 65744446812.

The previous prime is 98616670219. The next prime is 98616670231. The reversal of 98616670221 is 12207661689.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12207661689 = 3 ⋅4069220563.

It is not a de Polignac number, because 98616670221 - 2¹ = 98616670219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98616670211) 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, 16436111701 + ... + 16436111706.

It is an arithmetic number, because the mean of its divisors is an integer number (32872223408).

Almost surely, 2^98616670221 is an apocalyptic number.

It is an amenable number.

98616670221 is a deficient number, since it is larger than the sum of its proper divisors (32872223411).

98616670221 is a wasteful number, since it uses less digits than its factorization.

98616670221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32872223410.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 98616670221 in words is "ninety-eight billion, six hundred sixteen million, six hundred seventy thousand, two hundred twenty-one".