6611213870 has 16 divisors (see below), whose sum is σ = 11923035408. Its totient is φ = 2639407680.

The previous prime is 6611213867. The next prime is 6611213891. The reversal of 6611213870 is 783121166.

It is a self number, because there is not a number n which added to its sum of digits gives 6611213870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629264 + ... + 639683.

It is an arithmetic number, because the mean of its divisors is an integer number (745189713).

Almost surely, 2^6611213870 is an apocalyptic number.

6611213870 is a deficient number, since it is larger than the sum of its proper divisors (5311821538).

6611213870 is a wasteful number, since it uses less digits than its factorization.

6611213870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269475.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6611213870 is about 81309.3713541065. The cubic root of 6611213870 is about 1876.8392140841.

The spelling of 6611213870 in words is "six billion, six hundred eleven million, two hundred thirteen thousand, eight hundred seventy".