91167040382 has 8 divisors (see below), whose sum is σ = 149182429752. Its totient is φ = 41439563800.

The previous prime is 91167040373. The next prime is 91167040397. The reversal of 91167040382 is 28304076119.

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

It is a super-2 number, since 2×91167040382² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2071978169 + ... + 2071978212.

It is an arithmetic number, because the mean of its divisors is an integer number (18647803719).

Almost surely, 2^91167040382 is an apocalyptic number.

91167040382 is a deficient number, since it is larger than the sum of its proper divisors (58015389370).

91167040382 is a wasteful number, since it uses less digits than its factorization.

91167040382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143956394.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 91167040382 in words is "ninety-one billion, one hundred sixty-seven million, forty thousand, three hundred eighty-two".