669600030 has 32 divisors (see below), whose sum is σ = 1753135488. Its totient is φ = 162327200.

The previous prime is 669600017. The next prime is 669600047. The reversal of 669600030 is 30006966.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014216 + ... + 1014875.

It is an arithmetic number, because the mean of its divisors is an integer number (54785484).

Almost surely, 2^669600030 is an apocalyptic number.

669600030 is an abundant number, since it is smaller than the sum of its proper divisors (1083535458).

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

669600030 is a wasteful number, since it uses less digits than its factorization.

669600030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029112.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 669600030 is about 25876.6309630910. The cubic root of 669600030 is about 874.8598545614.

Adding to 669600030 its reverse (30006966), we get a palindrome (699606996).

The spelling of 669600030 in words is "six hundred sixty-nine million, six hundred thousand, thirty".