99486868158661 has 16 divisors (see below), whose sum is σ = 105985613361600. Its totient is φ = 93114401050368.

The previous prime is 99486868158617. The next prime is 99486868158673. The reversal of 99486868158661 is 16685186868499.

It is a cyclic number.

It is not a de Polignac number, because 99486868158661 - 2⁹ = 99486868158149 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 (99486868158061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307335885 + ... + 307659421.

It is an arithmetic number, because the mean of its divisors is an integer number (6624100835100).

Almost surely, 2^{99486868158661} is an apocalyptic number.

It is an amenable number.

99486868158661 is a deficient number, since it is larger than the sum of its proper divisors (6498745202939).

99486868158661 is a wasteful number, since it uses less digits than its factorization.

99486868158661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518628.

The product of its digits is 8599633920, while the sum is 85.

The spelling of 99486868158661 in words is "ninety-nine trillion, four hundred eighty-six billion, eight hundred sixty-eight million, one hundred fifty-eight thousand, six hundred sixty-one".