166356130223 has 16 divisors (see below), whose sum is σ = 177935719680. Its totient is φ = 154978302336.

The previous prime is 166356130169. The next prime is 166356130247. The reversal of 166356130223 is 322031653661.

It is a cyclic number.

It is not a de Polignac number, because 166356130223 - 2¹⁴ = 166356113839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166356130253) 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, 2187248 + ... + 2262026.

It is an arithmetic number, because the mean of its divisors is an integer number (11120982480).

Almost surely, 2^166356130223 is an apocalyptic number.

166356130223 is a deficient number, since it is larger than the sum of its proper divisors (11579589457).

166356130223 is a wasteful number, since it uses less digits than its factorization.

166356130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76126.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 166356130223 its reverse (322031653661), we get a palindrome (488387783884).

The spelling of 166356130223 in words is "one hundred sixty-six billion, three hundred fifty-six million, one hundred thirty thousand, two hundred twenty-three".