10167981 has 8 divisors (see below), whose sum is σ = 13748544. Its totient is φ = 6683040.

The previous prime is 10167977. The next prime is 10168013. The reversal of 10167981 is 18976101.

10167981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10167981 - 2² = 10167977 is a prime.

It is a super-2 number, since 2×10167981² = 206775675232722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10167281) 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 7 ways as a sum of consecutive naturals, for example, 23656 + ... + 24081.

It is an arithmetic number, because the mean of its divisors is an integer number (1718568).

Almost surely, 2^10167981 is an apocalyptic number.

It is an amenable number.

10167981 is a deficient number, since it is larger than the sum of its proper divisors (3580563).

10167981 is an equidigital number, since it uses as much as digits as its factorization.

10167981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47811.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 10167981 is about 3188.7271755357. The cubic root of 10167981 is about 216.6431235431.

The spelling of 10167981 in words is "ten million, one hundred sixty-seven thousand, nine hundred eighty-one".