166523026433332 has 24 divisors (see below), whose sum is σ = 299957958707400. Its totient is φ = 80830776176640.

The previous prime is 166523026433303. The next prime is 166523026433389. The reversal of 166523026433332 is 233334620325661.

It can be written as a sum of positive squares in 4 ways, for example, as 22156169077156 + 144366857356176 = 4707034^2 + 12015276^2 .

It is a congruent number.

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, 1252890769 + ... + 1253023672.

It is an arithmetic number, because the mean of its divisors is an integer number (12498248279475).

Almost surely, 2^{166523026433332} is an apocalyptic number.

It is an amenable number.

166523026433332 is a deficient number, since it is larger than the sum of its proper divisors (133434932274068).

166523026433332 is a wasteful number, since it uses less digits than its factorization.

166523026433332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505914931 (or 2505914929 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 49.

Adding to 166523026433332 its reverse (233334620325661), we get a palindrome (399857646758993).

The spelling of 166523026433332 in words is "one hundred sixty-six trillion, five hundred twenty-three billion, twenty-six million, four hundred thirty-three thousand, three hundred thirty-two".