670268165 has 16 divisors (see below), whose sum is σ = 920097408. Its totient is φ = 459176256.

The previous prime is 670268117. The next prime is 670268173. The reversal of 670268165 is 561862076.

It is not a de Polignac number, because 670268165 - 2⁶ = 670268101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30779 + ... + 47831.

It is an arithmetic number, because the mean of its divisors is an integer number (57506088).

Almost surely, 2^670268165 is an apocalyptic number.

It is an amenable number.

670268165 is a deficient number, since it is larger than the sum of its proper divisors (249829243).

670268165 is a wasteful number, since it uses less digits than its factorization.

670268165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18188.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 670268165 is about 25889.5377517637. The cubic root of 670268165 is about 875.1507397443.

The spelling of 670268165 in words is "six hundred seventy million, two hundred sixty-eight thousand, one hundred sixty-five".