10556163 has 12 divisors (see below), whose sum is σ = 15812888. Its totient is φ = 7037280.

The previous prime is 10556141. The next prime is 10556171. The reversal of 10556163 is 36165501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10556163 is a prime.

It is a super-2 number, since 2×10556163² = 222865154565138, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10556123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21478 + ... + 21963.

Almost surely, 2^10556163 is an apocalyptic number.

10556163 is a deficient number, since it is larger than the sum of its proper divisors (5256725).

10556163 is an frugal number, since it uses more digits than its factorization.

10556163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43456 (or 43444 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 10556163 is about 3249.0249306523. The cubic root of 10556163 is about 219.3656866526.

The spelling of 10556163 in words is "ten million, five hundred fifty-six thousand, one hundred sixty-three".