166038412 has 12 divisors (see below), whose sum is σ = 291560976. Its totient is φ = 82735280.

The previous prime is 166038407. The next prime is 166038421. The reversal of 166038412 is 214830661.

It is a happy number.

166038412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 69664 + ... + 72007.

It is an arithmetic number, because the mean of its divisors is an integer number (24296748).

Almost surely, 2^166038412 is an apocalyptic number.

It is an amenable number.

166038412 is a deficient number, since it is larger than the sum of its proper divisors (125522564).

166038412 is a wasteful number, since it uses less digits than its factorization.

166038412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141968 (or 141966 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 166038412 is about 12885.5893152001. The cubic root of 166038412 is about 549.6288537348.

The spelling of 166038412 in words is "one hundred sixty-six million, thirty-eight thousand, four hundred twelve".