99851018 has 8 divisors (see below), whose sum is σ = 149912580. Its totient is φ = 49880160.

The previous prime is 99850999. The next prime is 99851041. The reversal of 99851018 is 81015899.

It can be written as a sum of positive squares in 2 ways, for example, as 98942809 + 908209 = 9947^2 + 953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 19853 + ... + 24368.

Almost surely, 2^99851018 is an apocalyptic number.

99851018 is a deficient number, since it is larger than the sum of its proper divisors (50061562).

99851018 is a wasteful number, since it uses less digits than its factorization.

99851018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45352.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 99851018 is about 9992.5481234768. The cubic root of 99851018 is about 463.9282644005.

The spelling of 99851018 in words is "ninety-nine million, eight hundred fifty-one thousand, eighteen".