99969066 has 80 divisors (see below), whose sum is σ = 233063424. Its totient is φ = 32006016.

The previous prime is 99969031. The next prime is 99969091. The reversal of 99969066 is 66096999.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 787095 + ... + 787221.

Almost surely, 2^99969066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99969066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116531712).

99969066 is an abundant number, since it is smaller than the sum of its proper divisors (133094358).

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

99969066 is a wasteful number, since it uses less digits than its factorization.

99969066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 54.

The square root of 99969066 is about 9998.4531803675. The cubic root of 99969066 is about 464.1110174557. Note that the first 3 decimals are identical.

The spelling of 99969066 in words is "ninety-nine million, nine hundred sixty-nine thousand, sixty-six".