91866006086 has 8 divisors (see below), whose sum is σ = 137801203344. Its totient is φ = 45932271640.

The previous prime is 91866006079. The next prime is 91866006091. The reversal of 91866006086 is 68060066819.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192245 + ... + 469776.

It is an arithmetic number, because the mean of its divisors is an integer number (17225150418).

Almost surely, 2^91866006086 is an apocalyptic number.

91866006086 is a deficient number, since it is larger than the sum of its proper divisors (45935197258).

91866006086 is a wasteful number, since it uses less digits than its factorization.

91866006086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731406.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 91866006086 in words is "ninety-one billion, eight hundred sixty-six million, six thousand, eighty-six".