670572121218 has 16 divisors (see below), whose sum is σ = 1341153295776. Its totient is φ = 223522531520.

The previous prime is 670572121213. The next prime is 670572121243. The reversal of 670572121218 is 812121275076.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670572121218.

It is not an unprimeable number, because it can be changed into a prime (670572121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938905 + ... + 1490867.

It is an arithmetic number, because the mean of its divisors is an integer number (83822080986).

Almost surely, 2^670572121218 is an apocalyptic number.

670572121218 is an abundant number, since it is smaller than the sum of its proper divisors (670581174558).

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

670572121218 is a wasteful number, since it uses less digits than its factorization.

670572121218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754449.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 670572121218 in words is "six hundred seventy billion, five hundred seventy-two million, one hundred twenty-one thousand, two hundred eighteen".