667290067234 has 32 divisors (see below), whose sum is σ = 1175049881856. Its totient is φ = 278203170240.

The previous prime is 667290067219. The next prime is 667290067253. The reversal of 667290067234 is 432760092766.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904627 + ... + 3125929.

It is an arithmetic number, because the mean of its divisors is an integer number (36720308808).

Almost surely, 2^667290067234 is an apocalyptic number.

667290067234 is a deficient number, since it is larger than the sum of its proper divisors (507759814622).

667290067234 is a wasteful number, since it uses less digits than its factorization.

667290067234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227170.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 667290067234 in words is "six hundred sixty-seven billion, two hundred ninety million, sixty-seven thousand, two hundred thirty-four".