667367052063372 has 72 divisors (see below), whose sum is σ = 1761331521811680. Its totient is φ = 212659189585920.

The previous prime is 667367052063323. The next prime is 667367052063379. The reversal of 667367052063372 is 273360250763766.

667367052063372 is a `hidden beast` number, since 6 + 6 + 7 + 3 + 6 + 7 + 0 + 520 + 6 + 33 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (667367052063379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234395029 + ... + 237225132.

It is an arithmetic number, because the mean of its divisors is an integer number (24462937802940).

Almost surely, 2^{667367052063372} is an apocalyptic number.

It is an amenable number.

667367052063372 is an abundant number, since it is smaller than the sum of its proper divisors (1093964469748308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667367052063372 is a wasteful number, since it uses less digits than its factorization.

667367052063372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471621903 (or 471621898 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 63.

The spelling of 667367052063372 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, fifty-two million, sixty-three thousand, three hundred seventy-two".