91408110364058 has 12 divisors (see below), whose sum is σ = 145652023608702. Its totient is φ = 43015581347520.

The previous prime is 91408110363901. The next prime is 91408110364073. The reversal of 91408110364058 is 85046301180419.

It can be written as a sum of positive squares in 3 ways, for example, as 86279891957809 + 5128218406249 = 9288697^2 + 2264557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91408110363997 and 91408110364015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79072759253 + ... + 79072760408.

Almost surely, 2^{91408110364058} is an apocalyptic number.

91408110364058 is a deficient number, since it is larger than the sum of its proper divisors (54243913244644).

91408110364058 is a wasteful number, since it uses less digits than its factorization.

91408110364058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158145519697 (or 158145519680 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 91408110364058 in words is "ninety-one trillion, four hundred eight billion, one hundred ten million, three hundred sixty-four thousand, fifty-eight".