99755216 has 20 divisors (see below), whose sum is σ = 210846624. Its totient is φ = 45343200.

The previous prime is 99755207. The next prime is 99755231. The reversal of 99755216 is 61255799.

It is a happy number.

It is a super-2 number, since 2×99755216² = 19902206238413312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 283220 + ... + 283571.

Almost surely, 2^99755216 is an apocalyptic number.

It is an amenable number.

99755216 is an abundant number, since it is smaller than the sum of its proper divisors (111091408).

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

99755216 is a wasteful number, since it uses less digits than its factorization.

99755216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566810 (or 566804 counting only the distinct ones).

The product of its digits is 170100, while the sum is 44.

The square root of 99755216 is about 9987.7533009181. The cubic root of 99755216 is about 463.7798450241.

The spelling of 99755216 in words is "ninety-nine million, seven hundred fifty-five thousand, two hundred sixteen".