91541468 has 12 divisors (see below), whose sum is σ = 168629160. Its totient is φ = 43361712.

The previous prime is 91541431. The next prime is 91541491. The reversal of 91541468 is 86414519.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

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, 602171 + ... + 602322.

It is an arithmetic number, because the mean of its divisors is an integer number (14052430).

Almost surely, 2^91541468 is an apocalyptic number.

It is an amenable number.

91541468 is a deficient number, since it is larger than the sum of its proper divisors (77087692).

91541468 is a wasteful number, since it uses less digits than its factorization.

91541468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204516 (or 1204514 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 91541468 is about 9567.7305564068. The cubic root of 91541468 is about 450.6845022974.

The spelling of 91541468 in words is "ninety-one million, five hundred forty-one thousand, four hundred sixty-eight".