16661061674130 has 16 divisors (see below), whose sum is σ = 39986548017984. Its totient is φ = 4442949779760.

The previous prime is 16661061674057. The next prime is 16661061674161. The reversal of 16661061674130 is 3147616016661.

It is a super-2 number, since 2×16661061674130² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16661061674130.

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, 277684361206 + ... + 277684361265.

It is an arithmetic number, because the mean of its divisors is an integer number (2499159251124).

Almost surely, 2^{16661061674130} is an apocalyptic number.

16661061674130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16661061674130 is an abundant number, since it is smaller than the sum of its proper divisors (23325486343854).

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

16661061674130 is a wasteful number, since it uses less digits than its factorization.

16661061674130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555368722481.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 16661061674130 in words is "sixteen trillion, six hundred sixty-one billion, sixty-one million, six hundred seventy-four thousand, one hundred thirty".