646102641110 has 32 divisors (see below), whose sum is σ = 1199204183520. Its totient is φ = 250509795328.

The previous prime is 646102641043. The next prime is 646102641113. The reversal of 646102641110 is 11146201646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646102641113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7299755 + ... + 7387734.

It is an arithmetic number, because the mean of its divisors is an integer number (37475130735).

Almost surely, 2^646102641110 is an apocalyptic number.

646102641110 is a deficient number, since it is larger than the sum of its proper divisors (553101542410).

646102641110 is a wasteful number, since it uses less digits than its factorization.

646102641110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14687632.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 646102641110 its reverse (11146201646), we get a palindrome (657248842756).

The spelling of 646102641110 in words is "six hundred forty-six billion, one hundred two million, six hundred forty-one thousand, one hundred ten".