10181997 has 32 divisors (see below), whose sum is σ = 18259200. Its totient is φ = 5474304.

The previous prime is 10181959. The next prime is 10181999. The reversal of 10181997 is 79918101.

It is not a de Polignac number, because 10181997 - 2⁶ = 10181933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10181999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1629 + ... + 4797.

It is an arithmetic number, because the mean of its divisors is an integer number (570600).

Almost surely, 2^10181997 is an apocalyptic number.

10181997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10181997 is a deficient number, since it is larger than the sum of its proper divisors (8077203).

10181997 is a wasteful number, since it uses less digits than its factorization.

10181997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3196 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 10181997 is about 3190.9241608036. The cubic root of 10181997 is about 216.7426213649.

The spelling of 10181997 in words is "ten million, one hundred eighty-one thousand, nine hundred ninety-seven".