670511613 has 16 divisors (see below), whose sum is σ = 902998016. Its totient is φ = 442532160.

The previous prime is 670511593. The next prime is 670511641. The reversal of 670511613 is 316115076.

It is not a de Polignac number, because 670511613 - 2⁶ = 670511549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670511693) 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, 204495 + ... + 207747.

It is an arithmetic number, because the mean of its divisors is an integer number (56437376).

Almost surely, 2^670511613 is an apocalyptic number.

It is an amenable number.

670511613 is a deficient number, since it is larger than the sum of its proper divisors (232486403).

670511613 is a wasteful number, since it uses less digits than its factorization.

670511613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 670511613 is about 25894.2389924863. The cubic root of 670511613 is about 875.2566813754.

Adding to 670511613 its reverse (316115076), we get a palindrome (986626689).

The spelling of 670511613 in words is "six hundred seventy million, five hundred eleven thousand, six hundred thirteen".