146399666 has 8 divisors (see below), whose sum is σ = 250970880. Its totient is φ = 62742708.

The previous prime is 146399653. The next prime is 146399677. The reversal of 146399666 is 666993641.

146399666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 5228546 + ... + 5228573.

It is an arithmetic number, because the mean of its divisors is an integer number (31371360).

Almost surely, 2^146399666 is an apocalyptic number.

146399666 is a deficient number, since it is larger than the sum of its proper divisors (104571214).

146399666 is a wasteful number, since it uses less digits than its factorization.

146399666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457128.

The product of its digits is 1259712, while the sum is 50.

The square root of 146399666 is about 12099.5729676712. The cubic root of 146399666 is about 527.0437836514.

The spelling of 146399666 in words is "one hundred forty-six million, three hundred ninety-nine thousand, six hundred sixty-six".