8971998895416 has 16 divisors (see below), whose sum is σ = 22429997238600. Its totient is φ = 2990666298464.

The previous prime is 8971998895367. The next prime is 8971998895423. The reversal of 8971998895416 is 6145988991798.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186916643631 + ... + 186916643678.

Almost surely, 2^{8971998895416} is an apocalyptic number.

It is an amenable number.

8971998895416 is an abundant number, since it is smaller than the sum of its proper divisors (13457998343184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8971998895416 is a wasteful number, since it uses less digits than its factorization.

8971998895416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373833287318 (or 373833287314 counting only the distinct ones).

The product of its digits is 2821754880, while the sum is 84.

The spelling of 8971998895416 in words is "eight trillion, nine hundred seventy-one billion, nine hundred ninety-eight million, eight hundred ninety-five thousand, four hundred sixteen".