99901518 has 8 divisors (see below), whose sum is σ = 199803048. Its totient is φ = 33300504.

The previous prime is 99901507. The next prime is 99901541. The reversal of 99901518 is 81510999.

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

99901518 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 99901518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8325121 + ... + 8325132.

It is an arithmetic number, because the mean of its divisors is an integer number (24975381).

Almost surely, 2^99901518 is an apocalyptic number.

99901518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99901518 is a wasteful number, since it uses less digits than its factorization.

99901518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650258.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 99901518 is about 9995.0746870646. The cubic root of 99901518 is about 464.0064623307.

The spelling of 99901518 in words is "ninety-nine million, nine hundred one thousand, five hundred eighteen".