166523026434036 has 12 divisors (see below), whose sum is σ = 388553728346112. Its totient is φ = 55507675478008.

The previous prime is 166523026433969. The next prime is 166523026434053. The reversal of 166523026434036 is 630434620325661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 166523026434036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6938459434740 + ... + 6938459434763.

It is an arithmetic number, because the mean of its divisors is an integer number (32379477362176).

Almost surely, 2^{166523026434036} is an apocalyptic number.

It is an amenable number.

166523026434036 is an abundant number, since it is smaller than the sum of its proper divisors (222030701912076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166523026434036 is a wasteful number, since it uses less digits than its factorization.

166523026434036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13876918869510 (or 13876918869508 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 51.

Adding to 166523026434036 its reverse (630434620325661), we get a palindrome (796957646759697).

The spelling of 166523026434036 in words is "one hundred sixty-six trillion, five hundred twenty-three billion, twenty-six million, four hundred thirty-four thousand, thirty-six".