667512006 has 24 divisors (see below), whose sum is σ = 1552987800. Its totient is φ = 190717632.

The previous prime is 667511993. The next prime is 667512037. The reversal of 667512006 is 600215766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1134931 + ... + 1135518.

It is an arithmetic number, because the mean of its divisors is an integer number (64707825).

Almost surely, 2^667512006 is an apocalyptic number.

667512006 is an abundant number, since it is smaller than the sum of its proper divisors (885475794).

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

667512006 is a wasteful number, since it uses less digits than its factorization.

667512006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270468 (or 2270461 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 667512006 is about 25836.2537144997. The cubic root of 667512006 is about 873.9495447451.

It can be divided in two parts, 6675 and 12006, that added together give a palindrome (18681).

The spelling of 667512006 in words is "six hundred sixty-seven million, five hundred twelve thousand, six".