6634663143 has 8 divisors (see below), whose sum is σ = 9311808000. Its totient is φ = 4190313528.

The previous prime is 6634663127. The next prime is 6634663159. The reversal of 6634663143 is 3413664366.

It is an interprime number because it is at equal distance from previous prime (6634663127) and next prime (6634663159).

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

It is not a de Polignac number, because 6634663143 - 2⁴ = 6634663127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6634663095 and 6634663104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634663163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58198743 + ... + 58198856.

It is an arithmetic number, because the mean of its divisors is an integer number (1163976000).

Almost surely, 2^6634663143 is an apocalyptic number.

6634663143 is a deficient number, since it is larger than the sum of its proper divisors (2677144857).

6634663143 is a wasteful number, since it uses less digits than its factorization.

6634663143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116397621.

The product of its digits is 559872, while the sum is 42.

The square root of 6634663143 is about 81453.4415663328. The cubic root of 6634663143 is about 1879.0555788205.

The spelling of 6634663143 in words is "six billion, six hundred thirty-four million, six hundred sixty-three thousand, one hundred forty-three".