10663401 has 8 divisors (see below), whose sum is σ = 16249024. Its totient is φ = 6093360.

The previous prime is 10663397. The next prime is 10663409. The reversal of 10663401 is 10436601.

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

It is not a de Polignac number, because 10663401 - 2² = 10663397 is a prime.

It is a super-2 number, since 2×10663401² = 227416241773602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 507781 = 10663401 / (1 + 0 + 6 + 6 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10663409) 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, 253870 + ... + 253911.

It is an arithmetic number, because the mean of its divisors is an integer number (2031128).

Almost surely, 2^10663401 is an apocalyptic number.

It is an amenable number.

10663401 is a deficient number, since it is larger than the sum of its proper divisors (5585623).

10663401 is an equidigital number, since it uses as much as digits as its factorization.

10663401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507791.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10663401 is about 3265.4863343766. The cubic root of 10663401 is about 220.1060163964.

The spelling of 10663401 in words is "ten million, six hundred sixty-three thousand, four hundred one".