99668494 has 8 divisors (see below), whose sum is σ = 149633928. Its totient is φ = 49790520.

The previous prime is 99668483. The next prime is 99668507. The reversal of 99668494 is 49486699.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18937 + ... + 23620.

It is an arithmetic number, because the mean of its divisors is an integer number (18704241).

Almost surely, 2^99668494 is an apocalyptic number.

99668494 is a deficient number, since it is larger than the sum of its proper divisors (49965434).

99668494 is a wasteful number, since it uses less digits than its factorization.

99668494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43730.

The product of its digits is 3359232, while the sum is 55.

The square root of 99668494 is about 9983.4109401547. The cubic root of 99668494 is about 463.6454106957.

The spelling of 99668494 in words is "ninety-nine million, six hundred sixty-eight thousand, four hundred ninety-four".