670690216 has 16 divisors (see below), whose sum is σ = 1437193440. Its totient is φ = 287438640.

The previous prime is 670690199. The next prime is 670690217. The reversal of 670690216 is 612096076.

It is not an unprimeable number, because it can be changed into a prime (670690217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5988250 + ... + 5988361.

It is an arithmetic number, because the mean of its divisors is an integer number (89824590).

Almost surely, 2^670690216 is an apocalyptic number.

It is an amenable number.

670690216 is an abundant number, since it is smaller than the sum of its proper divisors (766503224).

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

670690216 is a wasteful number, since it uses less digits than its factorization.

670690216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976624 (or 11976620 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 670690216 is about 25897.6874643278. The cubic root of 670690216 is about 875.3343880043.

The spelling of 670690216 in words is "six hundred seventy million, six hundred ninety thousand, two hundred sixteen".