166341242 has 8 divisors (see below), whose sum is σ = 254219796. Its totient is φ = 81601312.

The previous prime is 166341239. The next prime is 166341251. The reversal of 166341242 is 242143661.

It can be written as a sum of positive squares in 2 ways, for example, as 154977601 + 11363641 = 12449^2 + 3371^2 .

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

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, 784523 + ... + 784734.

Almost surely, 2^166341242 is an apocalyptic number.

166341242 is a deficient number, since it is larger than the sum of its proper divisors (87878554).

166341242 is a wasteful number, since it uses less digits than its factorization.

166341242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569312.

The product of its digits is 6912, while the sum is 29.

The square root of 166341242 is about 12897.3346858954. The cubic root of 166341242 is about 549.9627985857.

The spelling of 166341242 in words is "one hundred sixty-six million, three hundred forty-one thousand, two hundred forty-two".