646068628486 has 8 divisors (see below), whose sum is σ = 969136290360. Its totient is φ = 323023198368.

The previous prime is 646068628463. The next prime is 646068628489. The reversal of 646068628486 is 684826860646.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646068628489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5485096 + ... + 5601643.

It is an arithmetic number, because the mean of its divisors is an integer number (121142036295).

Almost surely, 2^646068628486 is an apocalyptic number.

646068628486 is a deficient number, since it is larger than the sum of its proper divisors (323067661874).

646068628486 is a wasteful number, since it uses less digits than its factorization.

646068628486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115878.

The product of its (nonzero) digits is 127401984, while the sum is 64.

The spelling of 646068628486 in words is "six hundred forty-six billion, sixty-eight million, six hundred twenty-eight thousand, four hundred eighty-six".