1560166394 has 8 divisors (see below), whose sum is σ = 2343075060. Its totient is φ = 779141376.

The previous prime is 1560166373. The next prime is 1560166397. The reversal of 1560166394 is 4936610651.

It can be written as a sum of positive squares in 2 ways, for example, as 1360650769 + 199515625 = 36887^2 + 14125^2 .

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 (1560166397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468839 + ... + 472154.

Almost surely, 2^1560166394 is an apocalyptic number.

1560166394 is a deficient number, since it is larger than the sum of its proper divisors (782908666).

1560166394 is an equidigital number, since it uses as much as digits as its factorization.

1560166394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941824.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 1560166394 is about 39498.9416820248. The cubic root of 1560166394 is about 1159.8192331280.

The spelling of 1560166394 in words is "one billion, five hundred sixty million, one hundred sixty-six thousand, three hundred ninety-four".