166224003 has 8 divisors (see below), whose sum is σ = 241780416. Its totient is φ = 100741800.

The previous prime is 166223999. The next prime is 166224029. The reversal of 166224003 is 300422661.

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

It is not a de Polignac number, because 166224003 - 2² = 166223999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166224503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518513 + ... + 2518578.

It is an arithmetic number, because the mean of its divisors is an integer number (30222552).

Almost surely, 2^166224003 is an apocalyptic number.

166224003 is a deficient number, since it is larger than the sum of its proper divisors (75556413).

166224003 is a wasteful number, since it uses less digits than its factorization.

166224003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037105.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 166224003 is about 12892.7887983942. The cubic root of 166224003 is about 549.8335617596.

Adding to 166224003 its reverse (300422661), we get a palindrome (466646664).

The spelling of 166224003 in words is "one hundred sixty-six million, two hundred twenty-four thousand, three".