99691141 has 16 divisors (see below), whose sum is σ = 111707136. Its totient is φ = 88200000.

The previous prime is 99691129. The next prime is 99691153. The reversal of 99691141 is 14119699.

It is an interprime number because it is at equal distance from previous prime (99691129) and next prime (99691153).

It is a cyclic number.

It is not a de Polignac number, because 99691141 - 2⁷ = 99691013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99691094 and 99691103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99691121) 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 15 ways as a sum of consecutive naturals, for example, 67036 + ... + 68506.

It is an arithmetic number, because the mean of its divisors is an integer number (6981696).

Almost surely, 2^99691141 is an apocalyptic number.

It is an amenable number.

99691141 is a deficient number, since it is larger than the sum of its proper divisors (12015995).

99691141 is a wasteful number, since it uses less digits than its factorization.

99691141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its digits is 17496, while the sum is 40.

The square root of 99691141 is about 9984.5451073146. The cubic root of 99691141 is about 463.6805250433.

The spelling of 99691141 in words is "ninety-nine million, six hundred ninety-one thousand, one hundred forty-one".