16348183866 has 48 divisors (see below), whose sum is σ = 40898579904. Its totient is φ = 4622752512.

The previous prime is 16348183829. The next prime is 16348183871. The reversal of 16348183866 is 66838184361.

16348183866 is a `hidden beast` number, since 1 + 6 + 3 + 481 + 83 + 86 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656580 + ... + 681023.

It is an arithmetic number, because the mean of its divisors is an integer number (852053748).

Almost surely, 2^16348183866 is an apocalyptic number.

16348183866 is an abundant number, since it is smaller than the sum of its proper divisors (24550396038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16348183866 is a wasteful number, since it uses less digits than its factorization.

16348183866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337715 (or 1337712 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 16348183866 in words is "sixteen billion, three hundred forty-eight million, one hundred eighty-three thousand, eight hundred sixty-six".