6281664155 has 8 divisors (see below), whose sum is σ = 8117842992. Its totient is φ = 4638767328.

The previous prime is 6281664149. The next prime is 6281664173. The reversal of 6281664155 is 5514661826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6281664155 - 2⁴ = 6281664139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48320429 + ... + 48320558.

It is an arithmetic number, because the mean of its divisors is an integer number (1014730374).

Almost surely, 2^6281664155 is an apocalyptic number.

6281664155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6281664155 is a deficient number, since it is larger than the sum of its proper divisors (1836178837).

6281664155 is a wasteful number, since it uses less digits than its factorization.

6281664155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96641005.

The product of its digits is 345600, while the sum is 44.

The square root of 6281664155 is about 79256.9501999667. The cubic root of 6281664155 is about 1845.1212240078.

The spelling of 6281664155 in words is "six billion, two hundred eighty-one million, six hundred sixty-four thousand, one hundred fifty-five".