1600321141444 has 81 divisors (see below), whose sum is σ = 3083518186567. Its totient is φ = 726556864768.

The previous prime is 1600321141429. The next prime is 1600321141543. The reversal of 1600321141444 is 4441411230061.

The square root of 1600321141444 is 1265038.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 158189152900 + 1442131988544 = 397730^2 + 1200888^2 .

It is a super-2 number, since 2×1600321141444² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1247326827 + ... + 1247328109.

Almost surely, 2^{1600321141444} is an apocalyptic number.

1600321141444 is the 1265038-th square number.

It is an amenable number.

1600321141444 is a deficient number, since it is larger than the sum of its proper divisors (1483197045123).

1600321141444 is an equidigital number, since it uses as much as digits as its factorization.

1600321141444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 1600321141444 in words is "one trillion, six hundred billion, three hundred twenty-one million, one hundred forty-one thousand, four hundred forty-four".