10170981 has 16 divisors (see below), whose sum is σ = 15955200. Its totient is φ = 6381504.

The previous prime is 10170973. The next prime is 10171019. The reversal of 10170981 is 18907101.

10170981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10170981 - 2³ = 10170973 is a prime.

It is a super-2 number, since 2×10170981² = 206897709004722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10170961) 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, 10621 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (997200).

Almost surely, 2^10170981 is an apocalyptic number.

It is an amenable number.

10170981 is a deficient number, since it is larger than the sum of its proper divisors (5784219).

10170981 is a wasteful number, since it uses less digits than its factorization.

10170981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22185 (or 22179 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 10170981 is about 3189.1975479735. The cubic root of 10170981 is about 216.6644278533.

The spelling of 10170981 in words is "ten million, one hundred seventy thousand, nine hundred eighty-one".