667354140002 has 16 divisors (see below), whose sum is σ = 1092055334112. Its totient is φ = 303336877920.

The previous prime is 667354139987. The next prime is 667354140017. The reversal of 667354140002 is 200041453766.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (667354139987) and next prime (667354140017).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981158 + ... + 1515710.

It is an arithmetic number, because the mean of its divisors is an integer number (68253458382).

Almost surely, 2^667354140002 is an apocalyptic number.

667354140002 is a deficient number, since it is larger than the sum of its proper divisors (424701194110).

667354140002 is a wasteful number, since it uses less digits than its factorization.

667354140002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591313.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 667354140002 its reverse (200041453766), we get a palindrome (867395593768).

The spelling of 667354140002 in words is "six hundred sixty-seven billion, three hundred fifty-four million, one hundred forty thousand, two".