91520116 has 24 divisors (see below), whose sum is σ = 163092384. Its totient is φ = 44929440.

The previous prime is 91520087. The next prime is 91520123. The reversal of 91520116 is 61102519.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59331 + ... + 60853.

It is an arithmetic number, because the mean of its divisors is an integer number (6795516).

Almost surely, 2^91520116 is an apocalyptic number.

It is an amenable number.

91520116 is a deficient number, since it is larger than the sum of its proper divisors (71572268).

91520116 is a wasteful number, since it uses less digits than its factorization.

91520116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 91520116 is about 9566.6146572338. The cubic root of 91520116 is about 450.6494589304.

The spelling of 91520116 in words is "ninety-one million, five hundred twenty thousand, one hundred sixteen".