670611601 has 16 divisors (see below), whose sum is σ = 738792000. Its totient is φ = 603662400.

The previous prime is 670611559. The next prime is 670611647. The reversal of 670611601 is 106116076.

It is not a de Polignac number, because 670611601 - 2⁹ = 670611089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670611601.

It is not an unprimeable number, because it can be changed into a prime (670611691) 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, 1014211 + ... + 1014871.

It is an arithmetic number, because the mean of its divisors is an integer number (46174500).

Almost surely, 2^670611601 is an apocalyptic number.

It is an amenable number.

670611601 is a deficient number, since it is larger than the sum of its proper divisors (68180399).

670611601 is a wasteful number, since it uses less digits than its factorization.

670611601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 670611601 is about 25896.1696202353. The cubic root of 670611601 is about 875.3001858743.

Adding to 670611601 its reverse (106116076), we get a palindrome (776727677).

It can be divided in two parts, 6 and 70611601, that added together give a palindrome (70611607).

The spelling of 670611601 in words is "six hundred seventy million, six hundred eleven thousand, six hundred one".