668063000219 has 4 divisors (see below), whose sum is σ = 669977221200. Its totient is φ = 666148779240.

The previous prime is 668063000179. The next prime is 668063000233. The reversal of 668063000219 is 912000360866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 668063000219 - 2¹⁶ = 668062934683 is a prime.

It is a super-2 number, since 2×668063000219² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668063003219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957109967 + ... + 957110664.

It is an arithmetic number, because the mean of its divisors is an integer number (167494305300).

Almost surely, 2^668063000219 is an apocalyptic number.

668063000219 is a deficient number, since it is larger than the sum of its proper divisors (1914220981).

668063000219 is a wasteful number, since it uses less digits than its factorization.

668063000219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914220980.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 668063000219 in words is "six hundred sixty-eight billion, sixty-three million, two hundred nineteen", and thus it is an aban number.