669106947082 has 24 divisors (see below), whose sum is σ = 1167569055936. Its totient is φ = 286748893368.

The previous prime is 669106947079. The next prime is 669106947083. The reversal of 669106947082 is 280749601966.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (669106947083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2683743 + ... + 2922445.

It is an arithmetic number, because the mean of its divisors is an integer number (48648710664).

Almost surely, 2^669106947082 is an apocalyptic number.

669106947082 is a deficient number, since it is larger than the sum of its proper divisors (498462108854).

669106947082 is a wasteful number, since it uses less digits than its factorization.

669106947082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267322 (or 267315 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 669106947082 in words is "six hundred sixty-nine billion, one hundred six million, nine hundred forty-seven thousand, eighty-two".