6551754815 has 32 divisors (see below), whose sum is σ = 8325918720. Its totient is φ = 4939323136.

The previous prime is 6551754787. The next prime is 6551754817. The reversal of 6551754815 is 5184571556.

It is a cyclic number.

It is not a de Polignac number, because 6551754815 - 2¹⁸ = 6551492671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6551754815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551754817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4571339 + ... + 4572771.

It is an arithmetic number, because the mean of its divisors is an integer number (260184960).

Almost surely, 2^6551754815 is an apocalyptic number.

6551754815 is a deficient number, since it is larger than the sum of its proper divisors (1774163905).

6551754815 is a wasteful number, since it uses less digits than its factorization.

6551754815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 840000, while the sum is 47.

The square root of 6551754815 is about 80942.9108384422. The cubic root of 6551754815 is about 1871.1957059683.

The spelling of 6551754815 in words is "six billion, five hundred fifty-one million, seven hundred fifty-four thousand, eight hundred fifteen".