166011003 has 24 divisors (see below), whose sum is σ = 250618368. Its totient is φ = 105788592.

The previous prime is 166010969. The next prime is 166011007. The reversal of 166011003 is 300110661.

166011003 is a `hidden beast` number, since 1 + 660 + 1 + 1 + 0 + 0 + 3 = 666.

166011003 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 166011003 - 2⁶ = 166010939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166011007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13626 + ... + 22752.

It is an arithmetic number, because the mean of its divisors is an integer number (10442432).

Almost surely, 2^166011003 is an apocalyptic number.

166011003 is a deficient number, since it is larger than the sum of its proper divisors (84607365).

166011003 is a wasteful number, since it uses less digits than its factorization.

166011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223 (or 9220 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 166011003 is about 12884.5257188614. The cubic root of 166011003 is about 549.5986085121.

Adding to 166011003 its reverse (300110661), we get a palindrome (466121664).

The spelling of 166011003 in words is "one hundred sixty-six million, eleven thousand, three".