99281966 has 12 divisors (see below), whose sum is σ = 170261592. Its totient is φ = 42533436.

The previous prime is 99281947. The next prime is 99281981. The reversal of 99281966 is 66918299.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35951 + ... + 38613.

It is an arithmetic number, because the mean of its divisors is an integer number (14188466).

Almost surely, 2^99281966 is an apocalyptic number.

99281966 is a deficient number, since it is larger than the sum of its proper divisors (70979626).

99281966 is an frugal number, since it uses more digits than its factorization.

99281966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335 (or 2672 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 99281966 is about 9964.0336209790. The cubic root of 99281966 is about 463.0452741967.

The spelling of 99281966 in words is "ninety-nine million, two hundred eighty-one thousand, nine hundred sixty-six".