1646006041 has 9 divisors (see below), whose sum is σ = 1705941471. Its totient is φ = 1588111224.

The previous prime is 1646006009. The next prime is 1646006053. The reversal of 1646006041 is 1406006461.

The square root of 1646006041 is 40571.

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

It can be written as a sum of positive squares in only one way, i.e., 863125641 + 782880400 = 29379^2 + 27980^2 .

It is not a de Polignac number, because 1646006041 - 2⁵ = 1646006009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1646006071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1175860 + ... + 1177258.

Almost surely, 2^1646006041 is an apocalyptic number.

1646006041 is the 40571-st square number.

1646006041 is the 20286-th centered octagonal number.

It is an amenable number.

1646006041 is a deficient number, since it is larger than the sum of its proper divisors (59935430).

1646006041 is an frugal number, since it uses more digits than its factorization.

1646006041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The cubic root of 1646006041 is about 1180.7115408340.

The spelling of 1646006041 in words is "one billion, six hundred forty-six million, six thousand, forty-one".