166026312 has 48 divisors (see below), whose sum is σ = 452662080. Its totient is φ = 54972000.

The previous prime is 166026277. The next prime is 166026347. The reversal of 166026312 is 213620661.

It is an interprime number because it is at equal distance from previous prime (166026277) and next prime (166026347).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3237 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (9430460).

Almost surely, 2^166026312 is an apocalyptic number.

166026312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166026312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226331040).

166026312 is an abundant number, since it is smaller than the sum of its proper divisors (286635768).

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

166026312 is a wasteful number, since it uses less digits than its factorization.

166026312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434 (or 15427 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 166026312 is about 12885.1197898972. The cubic root of 166026312 is about 549.6155020640.

Adding to 166026312 its reverse (213620661), we get a palindrome (379646973).

It can be divided in two parts, 1660 and 26312, that added together give a palindrome (27972).

The spelling of 166026312 in words is "one hundred sixty-six million, twenty-six thousand, three hundred twelve".