147106666 has 32 divisors (see below), whose sum is σ = 264026880. Its totient is φ = 60103296.

The previous prime is 147106639. The next prime is 147106679. The reversal of 147106666 is 666601741.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 131140 + ... + 132256.

It is an arithmetic number, because the mean of its divisors is an integer number (8250840).

Almost surely, 2^147106666 is an apocalyptic number.

147106666 is a deficient number, since it is larger than the sum of its proper divisors (116920214).

147106666 is a wasteful number, since it uses less digits than its factorization.

147106666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 147106666 is about 12128.7536870035. The cubic root of 147106666 is about 527.8908296063.

The spelling of 147106666 in words is "one hundred forty-seven million, one hundred six thousand, six hundred sixty-six".