166530000461121 has 12 divisors (see below), whose sum is σ = 262410909817680. Its totient is φ = 100927273006680.

The previous prime is 166530000461119. The next prime is 166530000461129. The reversal of 166530000461121 is 121164000035661.

166530000461121 is a `hidden beast` number, since 1 + 6 + 6 + 5 + 30 + 0 + 0 + 0 + 4 + 611 + 2 + 1 = 666.

It is not a de Polignac number, because 166530000461121 - 2¹ = 166530000461119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166530000461129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841060608291 + ... + 841060608488.

It is an arithmetic number, because the mean of its divisors is an integer number (21867575818140).

Almost surely, 2^{166530000461121} is an apocalyptic number.

166530000461121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166530000461121 is a deficient number, since it is larger than the sum of its proper divisors (95880909356559).

166530000461121 is a wasteful number, since it uses less digits than its factorization.

166530000461121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682121216796 (or 1682121216793 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 166530000461121 its reverse (121164000035661), we get a palindrome (287694000496782).

The spelling of 166530000461121 in words is "one hundred sixty-six trillion, five hundred thirty billion, four hundred sixty-one thousand, one hundred twenty-one".