663627130 has 16 divisors (see below), whose sum is σ = 1264795560. Its totient is φ = 249836032.

The previous prime is 663627101. The next prime is 663627163. The reversal of 663627130 is 31726366.

It can be written as a sum of positive squares in 4 ways, for example, as 629859409 + 33767721 = 25097^2 + 5811^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951675 + ... + 1952014.

Almost surely, 2^663627130 is an apocalyptic number.

663627130 is a deficient number, since it is larger than the sum of its proper divisors (601168430).

663627130 is a wasteful number, since it uses less digits than its factorization.

663627130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903713.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 663627130 is about 25760.9613562848. The cubic root of 663627130 is about 872.2508019779.

Subtracting from 663627130 its sum of digits (34), we obtain a triangular number (663627096 = T₃₆₄₃₁).

The spelling of 663627130 in words is "six hundred sixty-three million, six hundred twenty-seven thousand, one hundred thirty".