667444102 has 16 divisors (see below), whose sum is σ = 1084209840. Its totient is φ = 306328032.

The previous prime is 667444097. The next prime is 667444109. The reversal of 667444102 is 201444766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667444109) 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, 67053 + ... + 76360.

It is an arithmetic number, because the mean of its divisors is an integer number (67763115).

Almost surely, 2^667444102 is an apocalyptic number.

667444102 is a deficient number, since it is larger than the sum of its proper divisors (416765738).

667444102 is a wasteful number, since it uses less digits than its factorization.

667444102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143607.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 667444102 is about 25834.9395586674. The cubic root of 667444102 is about 873.9199089824.

Adding to 667444102 its reverse (201444766), we get a palindrome (868888868).

The spelling of 667444102 in words is "six hundred sixty-seven million, four hundred forty-four thousand, one hundred two".