98664643144 has 64 divisors (see below), whose sum is σ = 194098291200. Its totient is φ = 46962854400.

The previous prime is 98664643141. The next prime is 98664643159. The reversal of 98664643144 is 44134646689.

It is not an unprimeable number, because it can be changed into a prime (98664643141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4336839 + ... + 4359529.

It is an arithmetic number, because the mean of its divisors is an integer number (3032785800).

Almost surely, 2^98664643144 is an apocalyptic number.

It is an amenable number.

98664643144 is a deficient number, since it is larger than the sum of its proper divisors (95433648056).

98664643144 is a wasteful number, since it uses less digits than its factorization.

98664643144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23014 (or 23010 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 55.

The spelling of 98664643144 in words is "ninety-eight billion, six hundred sixty-four million, six hundred forty-three thousand, one hundred forty-four".