91120366 has 4 divisors (see below), whose sum is σ = 136680552. Its totient is φ = 45560182.

The previous prime is 91120343. The next prime is 91120369. The reversal of 91120366 is 66302119.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91120369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22780090 + ... + 22780093.

It is an arithmetic number, because the mean of its divisors is an integer number (34170138).

Almost surely, 2^91120366 is an apocalyptic number.

91120366 is a deficient number, since it is larger than the sum of its proper divisors (45560186).

91120366 is a wasteful number, since it uses less digits than its factorization.

91120366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45560185.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 91120366 is about 9545.6988219826. The cubic root of 91120366 is about 449.9923718872.

The spelling of 91120366 in words is "ninety-one million, one hundred twenty thousand, three hundred sixty-six".