91606716403 has 8 divisors (see below), whose sum is σ = 91968880640. Its totient is φ = 91245087360.

The previous prime is 91606716371. The next prime is 91606716433. The reversal of 91606716403 is 30461760619.

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 91606716403 - 2⁵ = 91606716371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91606716403.

It is not an unprimeable number, because it can be changed into a prime (91606716433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210958 + ... + 477196.

It is an arithmetic number, because the mean of its divisors is an integer number (11496110080).

Almost surely, 2^91606716403 is an apocalyptic number.

91606716403 is a deficient number, since it is larger than the sum of its proper divisors (362164237).

91606716403 is a wasteful number, since it uses less digits than its factorization.

91606716403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267597.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 91606716403 in words is "ninety-one billion, six hundred six million, seven hundred sixteen thousand, four hundred three".