166135412 has 12 divisors (see below), whose sum is σ = 296923200. Its totient is φ = 81300216.

The previous prime is 166135399. The next prime is 166135421. The reversal of 166135412 is 214531661.

It is a happy number.

166135412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441662 + ... + 442037.

It is an arithmetic number, because the mean of its divisors is an integer number (24743600).

Almost surely, 2^166135412 is an apocalyptic number.

It is an amenable number.

166135412 is a deficient number, since it is larger than the sum of its proper divisors (130787788).

166135412 is a wasteful number, since it uses less digits than its factorization.

166135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883750 (or 883748 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 166135412 is about 12889.3526602386. The cubic root of 166135412 is about 549.7358643546.

It can be divided in two parts, 1661 and 35412, that added together give a palindrome (37073).

The spelling of 166135412 in words is "one hundred sixty-six million, one hundred thirty-five thousand, four hundred twelve".