1601731728746 has 32 divisors (see below), whose sum is σ = 2571029856000. Its totient is φ = 746195853312.

The previous prime is 1601731728721. The next prime is 1601731728761. The reversal of 1601731728746 is 6478271371061.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 266531 + ... + 1809558.

It is an arithmetic number, because the mean of its divisors is an integer number (80344683000).

Almost surely, 2^{1601731728746} is an apocalyptic number.

1601731728746 is a deficient number, since it is larger than the sum of its proper divisors (969298127254).

1601731728746 is a wasteful number, since it uses less digits than its factorization.

1601731728746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076446.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 1601731728746 in words is "one trillion, six hundred one billion, seven hundred thirty-one million, seven hundred twenty-eight thousand, seven hundred forty-six".