1669194201 has 8 divisors (see below), whose sum is σ = 2226122784. Its totient is φ = 1112530880.

The previous prime is 1669194187. The next prime is 1669194217. The reversal of 1669194201 is 1024919661.

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 1669194201 - 2¹³ = 1669186009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1669194201.

It is not an unprimeable number, because it can be changed into a prime (1669194221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51135 + ... + 77156.

It is an arithmetic number, because the mean of its divisors is an integer number (278265348).

Almost surely, 2^1669194201 is an apocalyptic number.

It is an amenable number.

1669194201 is a deficient number, since it is larger than the sum of its proper divisors (556928583).

1669194201 is a wasteful number, since it uses less digits than its factorization.

1669194201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132631.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1669194201 is about 40855.7731661022. The cubic root of 1669194201 is about 1186.2301434420.

The spelling of 1669194201 in words is "one billion, six hundred sixty-nine million, one hundred ninety-four thousand, two hundred one".