6646001102 has 8 divisors (see below), whose sum is σ = 10735847976. Its totient is φ = 3067385112.

The previous prime is 6646001101. The next prime is 6646001107. The reversal of 6646001102 is 2011006466.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 255615427 = 6646001102 / (6 + 6 + 4 + 6 + 0 + 0 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6646001101) 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 3 ways as a sum of consecutive naturals, for example, 127807688 + ... + 127807739.

It is an arithmetic number, because the mean of its divisors is an integer number (1341980997).

Almost surely, 2^6646001102 is an apocalyptic number.

6646001102 is a deficient number, since it is larger than the sum of its proper divisors (4089846874).

6646001102 is a wasteful number, since it uses less digits than its factorization.

6646001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255615442.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6646001102 is about 81523.0096475835. The cubic root of 6646001102 is about 1880.1253407831.

Adding to 6646001102 its reverse (2011006466), we get a palindrome (8657007568).

The spelling of 6646001102 in words is "six billion, six hundred forty-six million, one thousand, one hundred two".