99086091661 has 8 divisors (see below), whose sum is σ = 99366523200. Its totient is φ = 98805870240.

The previous prime is 99086091653. The next prime is 99086091691. The reversal of 99086091661 is 16619068099.

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 99086091661 - 2³ = 99086091653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99086091641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917145 + ... + 1019473.

It is an arithmetic number, because the mean of its divisors is an integer number (12420815400).

Almost surely, 2^99086091661 is an apocalyptic number.

It is an amenable number.

99086091661 is a deficient number, since it is larger than the sum of its proper divisors (280431539).

99086091661 is a wasteful number, since it uses less digits than its factorization.

99086091661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105059.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The spelling of 99086091661 in words is "ninety-nine billion, eighty-six million, ninety-one thousand, six hundred sixty-one".