91114618382 has 4 divisors (see below), whose sum is σ = 136671927576. Its totient is φ = 45557309190.

The previous prime is 91114618369. The next prime is 91114618433. The reversal of 91114618382 is 28381641119.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22778654594 + ... + 22778654597.

It is an arithmetic number, because the mean of its divisors is an integer number (34167981894).

Almost surely, 2^91114618382 is an apocalyptic number.

91114618382 is a deficient number, since it is larger than the sum of its proper divisors (45557309194).

91114618382 is a wasteful number, since it uses less digits than its factorization.

91114618382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45557309193.

The product of its digits is 82944, while the sum is 44.

The spelling of 91114618382 in words is "ninety-one billion, one hundred fourteen million, six hundred eighteen thousand, three hundred eighty-two".