3166731245642 has 4 divisors (see below), whose sum is σ = 4750096868466. Its totient is φ = 1583365622820.

The previous prime is 3166731245641. The next prime is 3166731245651. The reversal of 3166731245642 is 2465421376613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3052285032241 + 114446213401 = 1747079^2 + 338299^2 .

It is not an unprimeable number, because it can be changed into a prime (3166731245641) 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 as a sum of consecutive naturals, namely, 791682811409 + ... + 791682811412.

Almost surely, 2^{3166731245642} is an apocalyptic number.

3166731245642 is a deficient number, since it is larger than the sum of its proper divisors (1583365622824).

3166731245642 is a wasteful number, since it uses less digits than its factorization.

3166731245642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583365622823.

The product of its digits is 4354560, while the sum is 50.

The spelling of 3166731245642 in words is "three trillion, one hundred sixty-six billion, seven hundred thirty-one million, two hundred forty-five thousand, six hundred forty-two".