99766601 has 8 divisors (see below), whose sum is σ = 109024608. Its totient is φ = 90540000.

The previous prime is 99766577. The next prime is 99766607. The reversal of 99766601 is 10666799.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99766601 - 2¹⁰ = 99765577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99766607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935 + ... + 14156.

It is an arithmetic number, because the mean of its divisors is an integer number (13628076).

Almost surely, 2^99766601 is an apocalyptic number.

It is an amenable number.

99766601 is a deficient number, since it is larger than the sum of its proper divisors (9258007).

99766601 is a wasteful number, since it uses less digits than its factorization.

99766601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15703.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 99766601 is about 9988.3232326552. The cubic root of 99766601 is about 463.7974879868.

The spelling of 99766601 in words is "ninety-nine million, seven hundred sixty-six thousand, six hundred one".