1381738161046 has 16 divisors (see below), whose sum is σ = 2081032480944. Its totient is φ = 688061599744.

The previous prime is 1381738161031. The next prime is 1381738161049. The reversal of 1381738161046 is 6401618371831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381738161049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773266 + ... + 3233338.

It is an arithmetic number, because the mean of its divisors is an integer number (130064530059).

Almost surely, 2^{1381738161046} is an apocalyptic number.

1381738161046 is a deficient number, since it is larger than the sum of its proper divisors (699294319898).

1381738161046 is a wasteful number, since it uses less digits than its factorization.

1381738161046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466175.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 1381738161046 in words is "one trillion, three hundred eighty-one billion, seven hundred thirty-eight million, one hundred sixty-one thousand, forty-six".