166323181130 has 32 divisors (see below), whose sum is σ = 300104101440. Its totient is φ = 66368903040.

The previous prime is 166323181109. The next prime is 166323181139. The reversal of 166323181130 is 31181323661.

It is not an unprimeable number, because it can be changed into a prime (166323181139) 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, 9452681 + ... + 9470259.

It is an arithmetic number, because the mean of its divisors is an integer number (9378253170).

Almost surely, 2^166323181130 is an apocalyptic number.

166323181130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166323181130 is a deficient number, since it is larger than the sum of its proper divisors (133780920310).

166323181130 is a wasteful number, since it uses less digits than its factorization.

166323181130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19814.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 166323181130 in words is "one hundred sixty-six billion, three hundred twenty-three million, one hundred eighty-one thousand, one hundred thirty".