91488118 has 8 divisors (see below), whose sum is σ = 145304712. Its totient is φ = 43053216.

The previous prime is 91488107. The next prime is 91488119. The reversal of 91488118 is 81188419.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91488119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345380 + ... + 1345447.

It is an arithmetic number, because the mean of its divisors is an integer number (18163089).

Almost surely, 2^91488118 is an apocalyptic number.

91488118 is a deficient number, since it is larger than the sum of its proper divisors (53816594).

91488118 is a wasteful number, since it uses less digits than its factorization.

91488118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690846.

The product of its digits is 18432, while the sum is 40.

The square root of 91488118 is about 9564.9421326007. The cubic root of 91488118 is about 450.5969329108.

The spelling of 91488118 in words is "ninety-one million, four hundred eighty-eight thousand, one hundred eighteen".