9866414958 has 16 divisors (see below), whose sum is σ = 19735367040. Its totient is φ = 3288382136.

The previous prime is 9866414923. The next prime is 9866414963. The reversal of 9866414958 is 8594146689.

It is a super-2 number, since 2×9866414958² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53148 + ... + 150191.

It is an arithmetic number, because the mean of its divisors is an integer number (1233460440).

Almost surely, 2^9866414958 is an apocalyptic number.

9866414958 is an abundant number, since it is smaller than the sum of its proper divisors (9868952082).

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

9866414958 is a wasteful number, since it uses less digits than its factorization.

9866414958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211431.

The product of its digits is 14929920, while the sum is 60.

The square root of 9866414958 is about 99329.8291451264. The cubic root of 9866414958 is about 2144.7983109736.

The spelling of 9866414958 in words is "nine billion, eight hundred sixty-six million, four hundred fourteen thousand, nine hundred fifty-eight".