670196218 has 16 divisors (see below), whose sum is σ = 1071325440. Its totient is φ = 313707856.

The previous prime is 670196173. The next prime is 670196249. The reversal of 670196218 is 812691076.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152833 + ... + 157156.

It is an arithmetic number, because the mean of its divisors is an integer number (66957840).

Almost surely, 2^670196218 is an apocalyptic number.

670196218 is a deficient number, since it is larger than the sum of its proper divisors (401129222).

670196218 is a wasteful number, since it uses less digits than its factorization.

670196218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310061.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 670196218 is about 25888.1482149651. The cubic root of 670196218 is about 875.1194255496.

It can be divided in two parts, 67019 and 6218, that added together give a palindrome (73237).

The spelling of 670196218 in words is "six hundred seventy million, one hundred ninety-six thousand, two hundred eighteen".