641106471770 has 32 divisors (see below), whose sum is σ = 1171490644800. Its totient is φ = 252555722496.

The previous prime is 641106471721. The next prime is 641106471773. The reversal of 641106471770 is 77174601146.

641106471770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641106471770² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (641106471773) 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, 2796866 + ... + 3017394.

It is an arithmetic number, because the mean of its divisors is an integer number (36609082650).

Almost surely, 2^641106471770 is an apocalyptic number.

641106471770 is a deficient number, since it is larger than the sum of its proper divisors (530384173030).

641106471770 is a wasteful number, since it uses less digits than its factorization.

641106471770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224942.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 641106471770 in words is "six hundred forty-one billion, one hundred six million, four hundred seventy-one thousand, seven hundred seventy".