6634453155 has 128 divisors (see below), whose sum is σ = 12859637760. Its totient is φ = 2882880000.

The previous prime is 6634453151. The next prime is 6634453157. The reversal of 6634453155 is 5513544366.

It is not a de Polignac number, because 6634453155 - 2² = 6634453151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6634453151) 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 127 ways as a sum of consecutive naturals, for example, 7282150 + ... + 7283060.

It is an arithmetic number, because the mean of its divisors is an integer number (100465920).

Almost surely, 2^6634453155 is an apocalyptic number.

6634453155 is a deficient number, since it is larger than the sum of its proper divisors (6225184605).

6634453155 is a wasteful number, since it uses less digits than its factorization.

6634453155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its digits is 648000, while the sum is 42.

The square root of 6634453155 is about 81452.1525498252. The cubic root of 6634453155 is about 1879.0357544889.

The spelling of 6634453155 in words is "six billion, six hundred thirty-four million, four hundred fifty-three thousand, one hundred fifty-five".