6655074012 has 36 divisors (see below), whose sum is σ = 17553965520. Its totient is φ = 2121907392.

The previous prime is 6655074011. The next prime is 6655074037. The reversal of 6655074012 is 2104705566.

It is a happy number.

6655074012 is a `hidden beast` number, since 66 + 550 + 7 + 40 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6655074012² = 88580020210395552288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655074011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4017937 + ... + 4019592.

Almost surely, 2^6655074012 is an apocalyptic number.

It is an amenable number.

6655074012 is an abundant number, since it is smaller than the sum of its proper divisors (10898891508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6655074012 is a wasteful number, since it uses less digits than its factorization.

6655074012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037562 (or 8037557 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 6655074012 is about 81578.6369829749. The cubic root of 6655074012 is about 1880.9805142518.

Adding to 6655074012 its reverse (2104705566), we get a palindrome (8759779578).

The spelling of 6655074012 in words is "six billion, six hundred fifty-five million, seventy-four thousand, twelve".