91046666 has 8 divisors (see below), whose sum is σ = 136658340. Its totient is φ = 45493888.

The previous prime is 91046653. The next prime is 91046693. The reversal of 91046666 is 66664019.

It can be written as a sum of positive squares in 2 ways, for example, as 87516025 + 3530641 = 9355^2 + 1879^2 .

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

It is a Curzon 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, 10631 + ... + 17178.

Almost surely, 2^91046666 is an apocalyptic number.

91046666 is a deficient number, since it is larger than the sum of its proper divisors (45611674).

91046666 is a wasteful number, since it uses less digits than its factorization.

91046666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29448.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 91046666 is about 9541.8376636788. The cubic root of 91046666 is about 449.8710181780.

The spelling of 91046666 in words is "ninety-one million, forty-six thousand, six hundred sixty-six".