91617645346 has 8 divisors (see below), whose sum is σ = 144659440080. Its totient is φ = 43397831988.

The previous prime is 91617645337. The next prime is 91617645367. The reversal of 91617645346 is 64354671619.

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

It is a junction number, because it is equal to n+sod(n) for n = 91617645293 and 91617645302.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1205495296 + ... + 1205495371.

It is an arithmetic number, because the mean of its divisors is an integer number (18082430010).

Almost surely, 2^91617645346 is an apocalyptic number.

91617645346 is a deficient number, since it is larger than the sum of its proper divisors (53041794734).

91617645346 is a wasteful number, since it uses less digits than its factorization.

91617645346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410990688.

The product of its digits is 3265920, while the sum is 52.

The spelling of 91617645346 in words is "ninety-one billion, six hundred seventeen million, six hundred forty-five thousand, three hundred forty-six".