6610670685 has 64 divisors (see below), whose sum is σ = 11962494720. Its totient is φ = 3463200000.

The previous prime is 6610670657. The next prime is 6610670699. The reversal of 6610670685 is 5860760166.

It is not a de Polignac number, because 6610670685 - 2⁶ = 6610670621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6610670685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1784335 + ... + 1788035.

It is an arithmetic number, because the mean of its divisors is an integer number (186913980).

Almost surely, 2^6610670685 is an apocalyptic number.

It is an amenable number.

6610670685 is a deficient number, since it is larger than the sum of its proper divisors (5351824035).

6610670685 is a wasteful number, since it uses less digits than its factorization.

6610670685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 6610670685 is about 81306.0310493631. The cubic root of 6610670685 is about 1876.7878115807.

The spelling of 6610670685 in words is "six billion, six hundred ten million, six hundred seventy thousand, six hundred eighty-five".