99761216 has 56 divisors (see below), whose sum is σ = 203447904. Its totient is φ = 48522240.

The previous prime is 99761209. The next prime is 99761231. The reversal of 99761216 is 61216799.

It is a congruent number.

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, 611951 + ... + 612113.

Almost surely, 2^99761216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99761216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101723952).

99761216 is an abundant number, since it is smaller than the sum of its proper divisors (103686688).

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

99761216 is a wasteful number, since it uses less digits than its factorization.

99761216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 369 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 99761216 is about 9988.0536642531. The cubic root of 99761216 is about 463.7891431955.

The spelling of 99761216 in words is "ninety-nine million, seven hundred sixty-one thousand, two hundred sixteen".