91498793107266 has 128 divisors (see below), whose sum is σ = 216011752704000. Its totient is φ = 28627163892288.

The previous prime is 91498793107219. The next prime is 91498793107307. The reversal of 91498793107266 is 66270139789419.

91498793107266 is a `hidden beast` number, since 9 + 1 + 49 + 8 + 7 + 9 + 310 + 7 + 266 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 91498793107194 and 91498793107203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2319752941 + ... + 2319792383.

It is an arithmetic number, because the mean of its divisors is an integer number (1687591818000).

Almost surely, 2^{91498793107266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91498793107266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108005876352000).

91498793107266 is an abundant number, since it is smaller than the sum of its proper divisors (124512959596734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91498793107266 is a wasteful number, since it uses less digits than its factorization.

91498793107266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60325 (or 60319 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 72.

The spelling of 91498793107266 in words is "ninety-one trillion, four hundred ninety-eight billion, seven hundred ninety-three million, one hundred seven thousand, two hundred sixty-six".