6667290555 has 16 divisors (see below), whose sum is σ = 10868942880. Its totient is φ = 3488795648.

The previous prime is 6667290521. The next prime is 6667290569. The reversal of 6667290555 is 5550927666.

It is a cyclic number.

It is not a de Polignac number, because 6667290555 - 2⁶ = 6667290491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6667290498 and 6667290507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4192470 + ... + 4194059.

It is an arithmetic number, because the mean of its divisors is an integer number (679308930).

Almost surely, 2^6667290555 is an apocalyptic number.

6667290555 is a deficient number, since it is larger than the sum of its proper divisors (4201652325).

6667290555 is a wasteful number, since it uses less digits than its factorization.

6667290555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386590.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The square root of 6667290555 is about 81653.4785235755. The cubic root of 6667290555 is about 1882.1307660707.

The spelling of 6667290555 in words is "six billion, six hundred sixty-seven million, two hundred ninety thousand, five hundred fifty-five".