94666991 has 16 divisors (see below), whose sum is σ = 101424960. Its totient is φ = 88193280.

The previous prime is 94666973. The next prime is 94667003. The reversal of 94666991 is 19966649.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 94666991 - 2¹⁴ = 94650607 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 (94666921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122081 + ... + 122853.

It is an arithmetic number, because the mean of its divisors is an integer number (6339060).

Almost surely, 2^94666991 is an apocalyptic number.

94666991 is a deficient number, since it is larger than the sum of its proper divisors (6757969).

94666991 is a wasteful number, since it uses less digits than its factorization.

94666991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 629856, while the sum is 50.

The square root of 94666991 is about 9729.6963467520. The cubic root of 94666991 is about 455.7564857988.

The spelling of 94666991 in words is "ninety-four million, six hundred sixty-six thousand, nine hundred ninety-one".