89619898168 has 32 divisors (see below), whose sum is σ = 171636537600. Its totient is φ = 43850421472.

The previous prime is 89619898163. The next prime is 89619898171. The reversal of 89619898168 is 86189891698.

It is a super-2 number, since 2×89619898168² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89619898168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89619898163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909123 + ... + 3931981.

It is an arithmetic number, because the mean of its divisors is an integer number (5363641800).

Almost surely, 2^89619898168 is an apocalyptic number.

It is an amenable number.

89619898168 is a deficient number, since it is larger than the sum of its proper divisors (82016639432).

89619898168 is a wasteful number, since it uses less digits than its factorization.

89619898168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33339 (or 33335 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 73.

The spelling of 89619898168 in words is "eighty-nine billion, six hundred nineteen million, eight hundred ninety-eight thousand, one hundred sixty-eight".