166066435 has 8 divisors (see below), whose sum is σ = 201519360. Its totient is φ = 131360064.

The previous prime is 166066427. The next prime is 166066447. The reversal of 166066435 is 534660661.

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

It is a cyclic number.

It is not a de Polignac number, because 166066435 - 2³ = 166066427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166066394 and 166066403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186147 + ... + 187036.

It is an arithmetic number, because the mean of its divisors is an integer number (25189920).

Almost surely, 2^166066435 is an apocalyptic number.

166066435 is a deficient number, since it is larger than the sum of its proper divisors (35452925).

166066435 is an equidigital number, since it uses as much as digits as its factorization.

166066435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373277.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 166066435 is about 12886.6766468318. The cubic root of 166066435 is about 549.6597730520.

The spelling of 166066435 in words is "one hundred sixty-six million, sixty-six thousand, four hundred thirty-five".