6622511155 has 16 divisors (see below), whose sum is σ = 8678867904. Its totient is φ = 4821586560.

The previous prime is 6622511149. The next prime is 6622511197. The reversal of 6622511155 is 5511152266.

It is not a de Polignac number, because 6622511155 - 2¹³ = 6622502963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6622511155.

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, 712884 + ... + 722113.

It is an arithmetic number, because the mean of its divisors is an integer number (542429244).

Almost surely, 2^6622511155 is an apocalyptic number.

6622511155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6622511155 is a deficient number, since it is larger than the sum of its proper divisors (2056356749).

6622511155 is a wasteful number, since it uses less digits than its factorization.

6622511155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435086.

The product of its digits is 18000, while the sum is 34.

The square root of 6622511155 is about 81378.8126910193. The cubic root of 6622511155 is about 1877.9076573881.

The spelling of 6622511155 in words is "six billion, six hundred twenty-two million, five hundred eleven thousand, one hundred fifty-five".