670128466 has 32 divisors (see below), whose sum is σ = 1170966528. Its totient is φ = 281698560.

The previous prime is 670128463. The next prime is 670128517. The reversal of 670128466 is 664821076.

It is not an unprimeable number, because it can be changed into a prime (670128463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193486 + ... + 196918.

It is an arithmetic number, because the mean of its divisors is an integer number (36592704).

Almost surely, 2^670128466 is an apocalyptic number.

670128466 is a deficient number, since it is larger than the sum of its proper divisors (500838062).

670128466 is a wasteful number, since it uses less digits than its factorization.

670128466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 670128466 is about 25886.8396294333. The cubic root of 670128466 is about 875.0899351368.

The spelling of 670128466 in words is "six hundred seventy million, one hundred twenty-eight thousand, four hundred sixty-six".