669061443210 has 16 divisors (see below), whose sum is σ = 1605747463776. Its totient is φ = 178416384848.

The previous prime is 669061443203. The next prime is 669061443217. The reversal of 669061443210 is 12344160966.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (669061443203) and next prime (669061443217).

It is not an unprimeable number, because it can be changed into a prime (669061443217) 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, 11151024024 + ... + 11151024083.

It is an arithmetic number, because the mean of its divisors is an integer number (100359216486).

Almost surely, 2^669061443210 is an apocalyptic number.

669061443210 is an abundant number, since it is smaller than the sum of its proper divisors (936686020566).

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

669061443210 is a wasteful number, since it uses less digits than its factorization.

669061443210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22302048117.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 669061443210 in words is "six hundred sixty-nine billion, sixty-one million, four hundred forty-three thousand, two hundred ten".