641165610052 has 12 divisors (see below), whose sum is σ = 1224043437456. Its totient is φ = 291438913640.

The previous prime is 641165610049. The next prime is 641165610067. The reversal of 641165610052 is 250016561146.

It is a super-2 number, since 2×641165610052² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641165609993 and 641165610020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7285972798 + ... + 7285972885.

It is an arithmetic number, because the mean of its divisors is an integer number (102003619788).

Almost surely, 2^641165610052 is an apocalyptic number.

It is an amenable number.

641165610052 is a deficient number, since it is larger than the sum of its proper divisors (582877827404).

641165610052 is a wasteful number, since it uses less digits than its factorization.

641165610052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14571945698 (or 14571945696 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 641165610052 in words is "six hundred forty-one billion, one hundred sixty-five million, six hundred ten thousand, fifty-two".