99658178063 has 2 divisors, whose sum is σ = 99658178064. Its totient is φ = 99658178062.

The previous prime is 99658178041. The next prime is 99658178069. The reversal of 99658178063 is 36087185699.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99658178063 - 2¹⁶ = 99658112527 is a prime.

It is a super-2 number, since 2×99658178063² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99658177987 and 99658178005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99658178069) 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, 49829089031 + 49829089032.

It is an arithmetic number, because the mean of its divisors is an integer number (49829089032).

Almost surely, 2^99658178063 is an apocalyptic number.

99658178063 is a deficient number, since it is larger than the sum of its proper divisors (1).

99658178063 is an equidigital number, since it uses as much as digits as its factorization.

99658178063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 99658178063 in words is "ninety-nine billion, six hundred fifty-eight million, one hundred seventy-eight thousand, sixty-three".