91016607 has 8 divisors (see below), whose sum is σ = 132387840. Its totient is φ = 55161560.

The previous prime is 91016599. The next prime is 91016621. The reversal of 91016607 is 70661019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91016607 - 2³ = 91016599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91016687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379007 + ... + 1379072.

It is an arithmetic number, because the mean of its divisors is an integer number (16548480).

Almost surely, 2^91016607 is an apocalyptic number.

91016607 is a deficient number, since it is larger than the sum of its proper divisors (41371233).

91016607 is a wasteful number, since it uses less digits than its factorization.

91016607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758093.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 91016607 is about 9540.2624177745. The cubic root of 91016607 is about 449.8215045166.

The spelling of 91016607 in words is "ninety-one million, sixteen thousand, six hundred seven".