91083152 has 20 divisors (see below), whose sum is σ = 177085020. Its totient is φ = 45383808.

The previous prime is 91083143. The next prime is 91083163. The reversal of 91083152 is 25138019.

It can be written as a sum of positive squares in 2 ways, for example, as 38142976 + 52940176 = 6176^2 + 7276^2 .

It is a super-2 number, since 2×91083152² = 16592281156510208, which contains 22 as substring.

It is an unprimeable number.

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, 5027 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (8854251).

Almost surely, 2^91083152 is an apocalyptic number.

It is an amenable number.

91083152 is a deficient number, since it is larger than the sum of its proper divisors (86001868).

91083152 is a wasteful number, since it uses less digits than its factorization.

91083152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19730 (or 19724 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 91083152 is about 9543.7493680419. The cubic root of 91083152 is about 449.9311038557.

The spelling of 91083152 in words is "ninety-one million, eighty-three thousand, one hundred fifty-two".