667140002 has 8 divisors (see below), whose sum is σ = 1004515776. Its totient is φ = 332301412.

The previous prime is 667139953. The next prime is 667140013. The reversal of 667140002 is 200041766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633638 + ... + 634689.

It is an arithmetic number, because the mean of its divisors is an integer number (125564472).

Almost surely, 2^667140002 is an apocalyptic number.

667140002 is a deficient number, since it is larger than the sum of its proper divisors (337375774).

667140002 is a wasteful number, since it uses less digits than its factorization.

667140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268592.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 667140002 is about 25829.0534476198. The cubic root of 667140002 is about 873.7871640752.

Adding to 667140002 its reverse (200041766), we get a palindrome (867181768).

The spelling of 667140002 in words is "six hundred sixty-seven million, one hundred forty thousand, two".