91149275706 has 32 divisors (see below), whose sum is σ = 191792035008. Its totient is φ = 28840901760.

The previous prime is 91149275663. The next prime is 91149275753. The reversal of 91149275706 is 60757294119.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4998000 + ... + 5016203.

It is an arithmetic number, because the mean of its divisors is an integer number (5993501094).

Almost surely, 2^91149275706 is an apocalyptic number.

91149275706 is an abundant number, since it is smaller than the sum of its proper divisors (100642759302).

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

91149275706 is a wasteful number, since it uses less digits than its factorization.

91149275706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014286.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 91149275706 in words is "ninety-one billion, one hundred forty-nine million, two hundred seventy-five thousand, seven hundred six".