641216303612146 has 16 divisors (see below), whose sum is σ = 965819292867000. Its totient is φ = 319276549969920.

The previous prime is 641216303612117. The next prime is 641216303612153.

641216303612146 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 383898933168921 + 257317370443225 = 19593339^2 + 16041115^2 .

It is a super-2 number, since 2×641216303612146² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641216303612096 and 641216303612105.

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, 124186230 + ... + 129246478.

Almost surely, 2^{641216303612146} is an apocalyptic number.

641216303612146 is a deficient number, since it is larger than the sum of its proper divisors (324602989254854).

641216303612146 is a wasteful number, since it uses less digits than its factorization.

641216303612146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323389.

The product of its (nonzero) digits is 746496, while the sum is 46.

It can be divided in two parts, 64121630 and 3612146, that added together give a palindrome (67733776).

The spelling of 641216303612146 in words is "six hundred forty-one trillion, two hundred sixteen billion, three hundred three million, six hundred twelve thousand, one hundred forty-six".