667986883070 has 32 divisors (see below), whose sum is σ = 1336636788480. Its totient is φ = 238685137920.

The previous prime is 667986883027. The next prime is 667986883097. The reversal of 667986883070 is 70388689766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82872755 + ... + 82880814.

It is an arithmetic number, because the mean of its divisors is an integer number (41769899640).

Almost surely, 2^667986883070 is an apocalyptic number.

667986883070 is an abundant number, since it is smaller than the sum of its proper divisors (668649905410).

667986883070 is a wasteful number, since it uses less digits than its factorization.

667986883070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165753620.

The product of its (nonzero) digits is 146313216, while the sum is 68.

The spelling of 667986883070 in words is "six hundred sixty-seven billion, nine hundred eighty-six million, eight hundred eighty-three thousand, seventy".