6551617267 has 16 divisors (see below), whose sum is σ = 7475660640. Its totient is φ = 5688064512.

The previous prime is 6551617187. The next prime is 6551617307. The reversal of 6551617267 is 7627161556.

It is a happy number.

It is not a de Polignac number, because 6551617267 - 2¹¹ = 6551615219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551677267) 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, 347284 + ... + 365662.

It is an arithmetic number, because the mean of its divisors is an integer number (467228790).

Almost surely, 2^6551617267 is an apocalyptic number.

6551617267 is a deficient number, since it is larger than the sum of its proper divisors (924043373).

6551617267 is a wasteful number, since it uses less digits than its factorization.

6551617267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022.

The product of its digits is 529200, while the sum is 46.

The square root of 6551617267 is about 80942.0611734097. The cubic root of 6551617267 is about 1871.1826112054.

The spelling of 6551617267 in words is "six billion, five hundred fifty-one million, six hundred seventeen thousand, two hundred sixty-seven".