94166933281 has 4 divisors (see below), whose sum is σ = 94516996500. Its totient is φ = 93816870064.

The previous prime is 94166933249. The next prime is 94166933321. The reversal of 94166933281 is 18233966149.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20587658256 + 73579275025 = 143484^2 + 271255^2 .

It is a cyclic number.

It is not a de Polignac number, because 94166933281 - 2⁵ = 94166933249 is a prime.

It is a super-2 number, since 2×94166933281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94166933381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175031206 + ... + 175031743.

It is an arithmetic number, because the mean of its divisors is an integer number (23629249125).

Almost surely, 2^94166933281 is an apocalyptic number.

It is an amenable number.

94166933281 is a deficient number, since it is larger than the sum of its proper divisors (350063219).

94166933281 is a wasteful number, since it uses less digits than its factorization.

94166933281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350063218.

The product of its digits is 1679616, while the sum is 52.

The spelling of 94166933281 in words is "ninety-four billion, one hundred sixty-six million, nine hundred thirty-three thousand, two hundred eighty-one".