641012116610 has 16 divisors (see below), whose sum is σ = 1193608769400. Its totient is φ = 247563300096.

The previous prime is 641012116609. The next prime is 641012116643. The reversal of 641012116610 is 16611210146.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 526578081649 + 114434034961 = 725657^2 + 338281^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105193015 + ... + 1105193594.

Almost surely, 2^641012116610 is an apocalyptic number.

641012116610 is a deficient number, since it is larger than the sum of its proper divisors (552596652790).

641012116610 is a wasteful number, since it uses less digits than its factorization.

641012116610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210386645.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 641012116610 its reverse (16611210146), we get a palindrome (657623326756).

The spelling of 641012116610 in words is "six hundred forty-one billion, twelve million, one hundred sixteen thousand, six hundred ten".