3670128585 has 12 divisors (see below), whose sum is σ = 6361556292. Its totient is φ = 1957401888.

The previous prime is 3670128563. The next prime is 3670128593. The reversal of 3670128585 is 5858210763.

3670128585 is a `hidden beast` number, since 3 + 67 + 0 + 1 + 2 + 8 + 585 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1548973449 + 2121155136 = 39357^2 + 46056^2 .

It is not a de Polignac number, because 3670128585 - 2¹² = 3670124489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 81558413 = 3670128585 / (3 + 6 + 7 + 0 + 1 + 2 + 8 + 5 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3670128585.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40779162 + ... + 40779251.

It is an arithmetic number, because the mean of its divisors is an integer number (530129691).

Almost surely, 2^3670128585 is an apocalyptic number.

It is an amenable number.

3670128585 is a deficient number, since it is larger than the sum of its proper divisors (2691427707).

3670128585 is a wasteful number, since it uses less digits than its factorization.

3670128585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81558424 (or 81558421 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 3670128585 is about 60581.5861875537. The cubic root of 3670128585 is about 1542.5068218988.

The spelling of 3670128585 in words is "three billion, six hundred seventy million, one hundred twenty-eight thousand, five hundred eighty-five".