91601007 has 8 divisors (see below), whose sum is σ = 122528640. Its totient is φ = 60870360.

The previous prime is 91600997. The next prime is 91601039. The reversal of 91601007 is 70010619.

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

It is not a de Polignac number, because 91601007 - 2⁴ = 91600991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91601047) 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, 48157 + ... + 50022.

It is an arithmetic number, because the mean of its divisors is an integer number (15316080).

Almost surely, 2^91601007 is an apocalyptic number.

91601007 is a deficient number, since it is larger than the sum of its proper divisors (30927633).

91601007 is a wasteful number, since it uses less digits than its factorization.

91601007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98493.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 91601007 is about 9570.8414990533. The cubic root of 91601007 is about 450.7821902261.

The spelling of 91601007 in words is "ninety-one million, six hundred one thousand, seven".