91766842622 has 64 divisors (see below), whose sum is σ = 179657533440. Its totient is φ = 34115268096.

The previous prime is 91766842613. The next prime is 91766842667. The reversal of 91766842622 is 22624866719.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2016443 + ... + 2061449.

It is an arithmetic number, because the mean of its divisors is an integer number (2807148960).

Almost surely, 2^91766842622 is an apocalyptic number.

91766842622 is a deficient number, since it is larger than the sum of its proper divisors (87890690818).

91766842622 is a wasteful number, since it uses less digits than its factorization.

91766842622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45705.

The product of its digits is 3483648, while the sum is 53.

The spelling of 91766842622 in words is "ninety-one billion, seven hundred sixty-six million, eight hundred forty-two thousand, six hundred twenty-two".