91666675463 has 16 divisors (see below), whose sum is σ = 100714644000. Its totient is φ = 82738298880.

The previous prime is 91666675453. The next prime is 91666675483. The reversal of 91666675463 is 36457666619.

It is a cyclic number.

It is not a de Polignac number, because 91666675463 - 2¹⁴ = 91666659079 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 (91666675423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239143 + ... + 4260711.

It is an arithmetic number, because the mean of its divisors is an integer number (6294665250).

Almost surely, 2^91666675463 is an apocalyptic number.

91666675463 is a deficient number, since it is larger than the sum of its proper divisors (9047968537).

91666675463 is a wasteful number, since it uses less digits than its factorization.

91666675463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24322.

The product of its digits is 29393280, while the sum is 59.

The spelling of 91666675463 in words is "ninety-one billion, six hundred sixty-six million, six hundred seventy-five thousand, four hundred sixty-three".