99666652 has 12 divisors (see below), whose sum is σ = 175066920. Its totient is φ = 49647536.

The previous prime is 99666607. The next prime is 99666653. The reversal of 99666652 is 25666699.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 99666596 and 99666605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99666653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45238 + ... + 47389.

It is an arithmetic number, because the mean of its divisors is an integer number (14588910).

Almost surely, 2^99666652 is an apocalyptic number.

It is an amenable number.

99666652 is a deficient number, since it is larger than the sum of its proper divisors (75400268).

99666652 is a wasteful number, since it uses less digits than its factorization.

99666652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92900 (or 92898 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 99666652 is about 9983.3186866893. The cubic root of 99666652 is about 463.6425544267.

The spelling of 99666652 in words is "ninety-nine million, six hundred sixty-six thousand, six hundred fifty-two".