91040006754 has 16 divisors (see below), whose sum is σ = 202311126240. Its totient is φ = 30346668900.

The previous prime is 91040006753. The next prime is 91040006773. The reversal of 91040006754 is 45760004019.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842962972 + ... + 842963079.

It is an arithmetic number, because the mean of its divisors is an integer number (12644445390).

Almost surely, 2^91040006754 is an apocalyptic number.

91040006754 is an abundant number, since it is smaller than the sum of its proper divisors (111271119486).

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

91040006754 is a wasteful number, since it uses less digits than its factorization.

91040006754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685926062 (or 1685926056 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 91040006754 in words is "ninety-one billion, forty million, six thousand, seven hundred fifty-four".