166671074 has 8 divisors (see below), whose sum is σ = 250300908. Its totient is φ = 83237440.

The previous prime is 166671073. The next prime is 166671107. The reversal of 166671074 is 470176661.

It can be written as a sum of positive squares in 2 ways, for example, as 163660849 + 3010225 = 12793^2 + 1735^2 .

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

It is not an unprimeable number, because it can be changed into a prime (166671073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46907 + ... + 50334.

Almost surely, 2^166671074 is an apocalyptic number.

166671074 is a deficient number, since it is larger than the sum of its proper divisors (83629834).

166671074 is an equidigital number, since it uses as much as digits as its factorization.

166671074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98100.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 166671074 is about 12910.1151815156. The cubic root of 166671074 is about 550.3260590044.

The spelling of 166671074 in words is "one hundred sixty-six million, six hundred seventy-one thousand, seventy-four".