6634161355 has 8 divisors (see below), whose sum is σ = 8217800064. Its totient is φ = 5136124800.

The previous prime is 6634161341. The next prime is 6634161407. The reversal of 6634161355 is 5531614366.

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

It is not a de Polignac number, because 6634161355 - 2⁷ = 6634161227 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21400366 + ... + 21400675.

It is an arithmetic number, because the mean of its divisors is an integer number (1027225008).

Almost surely, 2^6634161355 is an apocalyptic number.

6634161355 is a deficient number, since it is larger than the sum of its proper divisors (1583638709).

6634161355 is a wasteful number, since it uses less digits than its factorization.

6634161355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42801077.

The product of its digits is 194400, while the sum is 40.

The square root of 6634161355 is about 81450.3612944719. The cubic root of 6634161355 is about 1879.0082058395.

The spelling of 6634161355 in words is "six billion, six hundred thirty-four million, one hundred sixty-one thousand, three hundred fifty-five".