641251152146 has 32 divisors (see below), whose sum is σ = 1055418163200. Its totient is φ = 289787838480.

The previous prime is 641251152131. The next prime is 641251152163.

641251152146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×641251152146² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3156191 + ... + 3353213.

It is an arithmetic number, because the mean of its divisors is an integer number (32981817600).

Almost surely, 2^641251152146 is an apocalyptic number.

641251152146 is a deficient number, since it is larger than the sum of its proper divisors (414167011054).

641251152146 is a wasteful number, since it uses less digits than its factorization.

641251152146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197894.

The product of its digits is 57600, while the sum is 38.

It can be divided in two parts, 641251 and 152146, that added together give a palindrome (793397).

The spelling of 641251152146 in words is "six hundred forty-one billion, two hundred fifty-one million, one hundred fifty-two thousand, one hundred forty-six".