91016930 has 16 divisors (see below), whose sum is σ = 169115904. Its totient is φ = 35232240.

The previous prime is 91016923. The next prime is 91016951. The reversal of 91016930 is 3961019.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91016893 and 91016902.

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, 146492 + ... + 147111.

It is an arithmetic number, because the mean of its divisors is an integer number (10569744).

Almost surely, 2^91016930 is an apocalyptic number.

91016930 is a deficient number, since it is larger than the sum of its proper divisors (78098974).

91016930 is a wasteful number, since it uses less digits than its factorization.

91016930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293641.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 91016930 is about 9540.2793460150. The cubic root of 91016930 is about 449.8220366252.

Adding to 91016930 its reverse (3961019), we get a palindrome (94977949).

The spelling of 91016930 in words is "ninety-one million, sixteen thousand, nine hundred thirty".