99161625611 has 2 divisors, whose sum is σ = 99161625612. Its totient is φ = 99161625610.

The previous prime is 99161625599. The next prime is 99161625643. The reversal of 99161625611 is 11652616199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99161625611 - 2²⁶ = 99094516747 is a prime.

It is a super-2 number, since 2×99161625611² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99161625811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49580812805 + 49580812806.

It is an arithmetic number, because the mean of its divisors is an integer number (49580812806).

Almost surely, 2^99161625611 is an apocalyptic number.

99161625611 is a deficient number, since it is larger than the sum of its proper divisors (1).

99161625611 is an equidigital number, since it uses as much as digits as its factorization.

99161625611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 47.

The spelling of 99161625611 in words is "ninety-nine billion, one hundred sixty-one million, six hundred twenty-five thousand, six hundred eleven".