166475042 has 8 divisors (see below), whose sum is σ = 250968000. Its totient is φ = 82819044.

The previous prime is 166475021. The next prime is 166475069. The reversal of 166475042 is 240574661.

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

It is a junction number, because it is equal to n+sod(n) for n = 166474993 and 166475011.

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 3 ways as a sum of consecutive naturals, for example, 208742 + ... + 209537.

It is an arithmetic number, because the mean of its divisors is an integer number (31371000).

Almost surely, 2^166475042 is an apocalyptic number.

166475042 is a deficient number, since it is larger than the sum of its proper divisors (84492958).

166475042 is a wasteful number, since it uses less digits than its factorization.

166475042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418480.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 166475042 is about 12902.5207614636. The cubic root of 166475042 is about 550.1102170301.

The spelling of 166475042 in words is "one hundred sixty-six million, four hundred seventy-five thousand, forty-two".