641116611146 has 32 divisors (see below), whose sum is σ = 1104386788800. Its totient is φ = 276061150080.

The previous prime is 641116611143. The next prime is 641116611173.

641116611146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×641116611146² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (641116611143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8031446 + ... + 8110878.

It is an arithmetic number, because the mean of its divisors is an integer number (34512087150).

Almost surely, 2^641116611146 is an apocalyptic number.

641116611146 is a deficient number, since it is larger than the sum of its proper divisors (463270177654).

641116611146 is a wasteful number, since it uses less digits than its factorization.

641116611146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98774.

The product of its digits is 20736, while the sum is 38.

The spelling of 641116611146 in words is "six hundred forty-one billion, one hundred sixteen million, six hundred eleven thousand, one hundred forty-six".