1835813408866 has 16 divisors (see below), whose sum is σ = 2837238730560. Its totient is φ = 890226704880.

The previous prime is 1835813408857. The next prime is 1835813408881. The reversal of 1835813408866 is 6688043185381.

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, 39861696 + ... + 39907723.

It is an arithmetic number, because the mean of its divisors is an integer number (177327420660).

Almost surely, 2^{1835813408866} is an apocalyptic number.

1835813408866 is a deficient number, since it is larger than the sum of its proper divisors (1001425321694).

1835813408866 is a wasteful number, since it uses less digits than its factorization.

1835813408866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79769769.

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 1835813408866 in words is "one trillion, eight hundred thirty-five billion, eight hundred thirteen million, four hundred eight thousand, eight hundred sixty-six".