629166 has 16 divisors (see below), whose sum is σ = 1324800. Its totient is φ = 198648.

The previous prime is 629143. The next prime is 629171. The reversal of 629166 is 661926.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 629166.

It is an unprimeable number.

629166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2646 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2⁶²⁹¹⁶⁶ is an apocalyptic number.

629166 is an abundant number, since it is smaller than the sum of its proper divisors (695634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629166 is a wasteful number, since it uses less digits than its factorization.

629166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its digits is 3888, while the sum is 30.

The square root of 629166 is about 793.1998487141. The cubic root of 629166 is about 85.6883437366.

The spelling of 629166 in words is "six hundred twenty-nine thousand, one hundred sixty-six".