630511166 has 16 divisors (see below), whose sum is σ = 958891200. Its totient is φ = 310890528.

The previous prime is 630511163. The next prime is 630511171. The reversal of 630511166 is 661115036.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630511163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167036 + ... + 170768.

It is an arithmetic number, because the mean of its divisors is an integer number (59930700).

Almost surely, 2^630511166 is an apocalyptic number.

630511166 is a deficient number, since it is larger than the sum of its proper divisors (328380034).

630511166 is a wasteful number, since it uses less digits than its factorization.

630511166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 630511166 is about 25109.9814018251. The cubic root of 630511166 is about 857.4936790610.

It can be divided in two parts, 6305 and 11166, that added together give a palindrome (17471).

The spelling of 630511166 in words is "six hundred thirty million, five hundred eleven thousand, one hundred sixty-six".