91052418 has 8 divisors (see below), whose sum is σ = 182104848. Its totient is φ = 30350804.

The previous prime is 91052417. The next prime is 91052419. The reversal of 91052418 is 81425019.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91052417) and next prime (91052419).

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

91052418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (91052417) 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, 7587696 + ... + 7587707.

It is an arithmetic number, because the mean of its divisors is an integer number (22763106).

Almost surely, 2^91052418 is an apocalyptic number.

91052418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91052418 is a wasteful number, since it uses less digits than its factorization.

91052418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175408.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 91052418 is about 9542.1390683641. The cubic root of 91052418 is about 449.8804917213.

The spelling of 91052418 in words is "ninety-one million, fifty-two thousand, four hundred eighteen".