166060346221204 has 6 divisors (see below), whose sum is σ = 290605605887114. Its totient is φ = 83030173110600.

The previous prime is 166060346221199. The next prime is 166060346221213. The reversal of 166060346221204 is 402122643060661.

It can be written as a sum of positive squares in only one way, i.e., 113516665536400 + 52543680684804 = 10654420^2 + 7248702^2 .

It is a super-2 number, since 2×166060346221204² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20757543277647 + ... + 20757543277654.

Almost surely, 2^{166060346221204} is an apocalyptic number.

It is an amenable number.

166060346221204 is a deficient number, since it is larger than the sum of its proper divisors (124545259665910).

166060346221204 is a wasteful number, since it uses less digits than its factorization.

166060346221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41515086555305 (or 41515086555303 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

Adding to 166060346221204 its reverse (402122643060661), we get a palindrome (568182989281865).

The spelling of 166060346221204 in words is "one hundred sixty-six trillion, sixty billion, three hundred forty-six million, two hundred twenty-one thousand, two hundred four".