91119642 has 8 divisors (see below), whose sum is σ = 182239296. Its totient is φ = 30373212.

The previous prime is 91119617. The next prime is 91119661. The reversal of 91119642 is 24691119.

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

91119642 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7593298 + ... + 7593309.

It is an arithmetic number, because the mean of its divisors is an integer number (22779912).

Almost surely, 2^91119642 is an apocalyptic number.

91119642 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.

91119642 is a wasteful number, since it uses less digits than its factorization.

91119642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15186612.

The product of its digits is 3888, while the sum is 33.

The square root of 91119642 is about 9545.6608990682. The cubic root of 91119642 is about 449.9911800740.

The spelling of 91119642 in words is "ninety-one million, one hundred nineteen thousand, six hundred forty-two".