91067851098161 has 16 divisors (see below), whose sum is σ = 105144223903488. Its totient is φ = 77258680728000.

The previous prime is 91067851098149. The next prime is 91067851098187. The reversal of 91067851098161 is 16189015876019.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91067851098161 - 2¹⁴ = 91067851081777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91067851098094 and 91067851098103.

It is not an unprimeable number, because it can be changed into a prime (91067851098101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20133050 + ... + 24237891.

It is an arithmetic number, because the mean of its divisors is an integer number (6571513993968).

Almost surely, 2^{91067851098161} is an apocalyptic number.

It is an amenable number.

91067851098161 is a deficient number, since it is larger than the sum of its proper divisors (14076372805327).

91067851098161 is a wasteful number, since it uses less digits than its factorization.

91067851098161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44373952.

The product of its (nonzero) digits is 6531840, while the sum is 62.

The spelling of 91067851098161 in words is "ninety-one trillion, sixty-seven billion, eight hundred fifty-one million, ninety-eight thousand, one hundred sixty-one".