91040006752 has 24 divisors (see below), whose sum is σ = 180422009712. Its totient is φ = 45218544000.

The previous prime is 91040006731. The next prime is 91040006753. The reversal of 91040006752 is 25760004019.

It is a super-3 number, since 3×91040006752³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91040006753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9415699 + ... + 9425362.

It is an arithmetic number, because the mean of its divisors is an integer number (7517583738).

Almost surely, 2^91040006752 is an apocalyptic number.

It is an amenable number.

91040006752 is a deficient number, since it is larger than the sum of its proper divisors (89382002960).

91040006752 is a wasteful number, since it uses less digits than its factorization.

91040006752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18841222 (or 18841214 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 91040006752 in words is "ninety-one billion, forty million, six thousand, seven hundred fifty-two".