645416052110 has 16 divisors (see below), whose sum is σ = 1161938801232. Its totient is φ = 258124219200.

The previous prime is 645416052107. The next prime is 645416052121. The reversal of 645416052110 is 11250614546.

645416052110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5210936 + ... + 5333355.

It is an arithmetic number, because the mean of its divisors is an integer number (72621175077).

Almost surely, 2^645416052110 is an apocalyptic number.

645416052110 is a deficient number, since it is larger than the sum of its proper divisors (516522749122).

645416052110 is a wasteful number, since it uses less digits than its factorization.

645416052110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550419.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 645416052110 its reverse (11250614546), we get a palindrome (656666666656).

The spelling of 645416052110 in words is "six hundred forty-five billion, four hundred sixteen million, fifty-two thousand, one hundred ten".