667334006734 has 16 divisors (see below), whose sum is σ = 1007606120976. Its totient is φ = 331469236800.

The previous prime is 667334006719. The next prime is 667334006747. The reversal of 667334006734 is 437600433766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644512 + ... + 1322899.

It is an arithmetic number, because the mean of its divisors is an integer number (62975382561).

Almost surely, 2^667334006734 is an apocalyptic number.

667334006734 is a deficient number, since it is larger than the sum of its proper divisors (340272114242).

667334006734 is a wasteful number, since it uses less digits than its factorization.

667334006734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968531.

The product of its (nonzero) digits is 4572288, while the sum is 49.

The spelling of 667334006734 in words is "six hundred sixty-seven billion, three hundred thirty-four million, six thousand, seven hundred thirty-four".