667076770670 has 64 divisors (see below), whose sum is σ = 1247141085120. Its totient is φ = 256687460352.

The previous prime is 667076770667. The next prime is 667076770747. The reversal of 667076770670 is 76077670766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38357717 + ... + 38375103.

It is an arithmetic number, because the mean of its divisors is an integer number (19486579455).

Almost surely, 2^667076770670 is an apocalyptic number.

667076770670 is a deficient number, since it is larger than the sum of its proper divisors (580064314450).

667076770670 is a wasteful number, since it uses less digits than its factorization.

667076770670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597.

The product of its (nonzero) digits is 21781872, while the sum is 59.

The spelling of 667076770670 in words is "six hundred sixty-seven billion, seventy-six million, seven hundred seventy thousand, six hundred seventy".