99518258 has 16 divisors (see below), whose sum is σ = 171500544. Its totient is φ = 42426240.

The previous prime is 99518231. The next prime is 99518269. The reversal of 99518258 is 85281599.

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, 15935 + ... + 21282.

It is an arithmetic number, because the mean of its divisors is an integer number (10718784).

Almost surely, 2^99518258 is an apocalyptic number.

99518258 is a deficient number, since it is larger than the sum of its proper divisors (71982286).

99518258 is a wasteful number, since it uses less digits than its factorization.

99518258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37417.

The product of its digits is 259200, while the sum is 47.

The square root of 99518258 is about 9975.8838204943. The cubic root of 99518258 is about 463.4123338313.

The spelling of 99518258 in words is "ninety-nine million, five hundred eighteen thousand, two hundred fifty-eight".