91023362666 has 8 divisors (see below), whose sum is σ = 136979784480. Its totient is φ = 45363434508.

The previous prime is 91023362627. The next prime is 91023362669. The reversal of 91023362666 is 66626332019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (91023362669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74122646 + ... + 74123873.

It is an arithmetic number, because the mean of its divisors is an integer number (17122473060).

Almost surely, 2^91023362666 is an apocalyptic number.

91023362666 is a deficient number, since it is larger than the sum of its proper divisors (45956421814).

91023362666 is a wasteful number, since it uses less digits than its factorization.

91023362666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148246828.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 91023362666 in words is "ninety-one billion, twenty-three million, three hundred sixty-two thousand, six hundred sixty-six".