10194681 has 16 divisors (see below), whose sum is σ = 16210944. Its totient is φ = 5571984.

The previous prime is 10194607. The next prime is 10194707. The reversal of 10194681 is 18649101.

It is not a de Polignac number, because 10194681 - 2¹⁴ = 10178297 is a prime.

It is a super-2 number, since 2×10194681² = 207863041383522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10194881) 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, 10071 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (1013184).

Almost surely, 2^10194681 is an apocalyptic number.

It is an amenable number.

10194681 is a deficient number, since it is larger than the sum of its proper divisors (6016263).

10194681 is a wasteful number, since it uses less digits than its factorization.

10194681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 10194681 is about 3192.9110541949. The cubic root of 10194681 is about 216.8325848115.

The spelling of 10194681 in words is "ten million, one hundred ninety-four thousand, six hundred eighty-one".