99511612 has 48 divisors (see below), whose sum is σ = 185794560. Its totient is φ = 46569600.

The previous prime is 99511597. The next prime is 99511631. The reversal of 99511612 is 21611599.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783493 + ... + 783619.

It is an arithmetic number, because the mean of its divisors is an integer number (3870720).

Almost surely, 2^99511612 is an apocalyptic number.

It is an amenable number.

99511612 is a deficient number, since it is larger than the sum of its proper divisors (86282948).

99511612 is a wasteful number, since it uses less digits than its factorization.

99511612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its digits is 4860, while the sum is 34.

The square root of 99511612 is about 9975.5507116149. The cubic root of 99511612 is about 463.4020177781.

The spelling of 99511612 in words is "ninety-nine million, five hundred eleven thousand, six hundred twelve".