91613007 has 12 divisors (see below), whose sum is σ = 132431104. Its totient is φ = 61028640.

The previous prime is 91612987. The next prime is 91613021. The reversal of 91613007 is 70031619.

It is not a de Polignac number, because 91613007 - 2¹⁰ = 91611983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91613087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11907 + ... + 18027.

Almost surely, 2^91613007 is an apocalyptic number.

91613007 is a deficient number, since it is larger than the sum of its proper divisors (40818097).

91613007 is a wasteful number, since it uses less digits than its factorization.

91613007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790 (or 7787 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 91613007 is about 9571.4683826464. The cubic root of 91613007 is about 450.8018739620.

The spelling of 91613007 in words is "ninety-one million, six hundred thirteen thousand, seven".