667374067396 has 12 divisors (see below), whose sum is σ = 1168041482748. Its totient is φ = 333647929472.

The previous prime is 667374067369. The next prime is 667374067429. The reversal of 667374067396 is 693760473766.

It can be written as a sum of positive squares in 2 ways, for example, as 376583504896 + 290790562500 = 613664^2 + 539250^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737641 + ... + 9805936.

It is an arithmetic number, because the mean of its divisors is an integer number (97336790229).

Almost surely, 2^667374067396 is an apocalyptic number.

It is an amenable number.

667374067396 is a deficient number, since it is larger than the sum of its proper divisors (500667415352).

667374067396 is a wasteful number, since it uses less digits than its factorization.

667374067396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19552118 (or 19552116 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 64.

The spelling of 667374067396 in words is "six hundred sixty-seven billion, three hundred seventy-four million, sixty-seven thousand, three hundred ninety-six".