6616697206 has 32 divisors (see below), whose sum is σ = 11619827712. Its totient is φ = 2767232160.

The previous prime is 6616697203. The next prime is 6616697207. The reversal of 6616697206 is 6027966166.

It is a self number, because there is not a number n which added to its sum of digits gives 6616697206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616697203) 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, 77955 + ... + 138961.

It is an arithmetic number, because the mean of its divisors is an integer number (363119616).

Almost surely, 2^6616697206 is an apocalyptic number.

6616697206 is a deficient number, since it is larger than the sum of its proper divisors (5003130506).

6616697206 is a wasteful number, since it uses less digits than its factorization.

6616697206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61204.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 6616697206 is about 81343.0833322662. The cubic root of 6616697206 is about 1877.3579537252.

The spelling of 6616697206 in words is "six billion, six hundred sixteen million, six hundred ninety-seven thousand, two hundred six".