99060691 has 12 divisors (see below), whose sum is σ = 103037176. Its totient is φ = 95185440.

The previous prime is 99060677. The next prime is 99060697. The reversal of 99060691 is 19606099.

It is not a de Polignac number, because 99060691 - 2¹⁵ = 99027923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99060697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216535 + ... + 216991.

Almost surely, 2^99060691 is an apocalyptic number.

99060691 is a deficient number, since it is larger than the sum of its proper divisors (3976485).

99060691 is an equidigital number, since it uses as much as digits as its factorization.

99060691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 99060691 is about 9952.9237412933. The cubic root of 99060691 is about 462.7010137663.

The spelling of 99060691 in words is "ninety-nine million, sixty thousand, six hundred ninety-one".