1641051000534 has 64 divisors (see below), whose sum is σ = 3606778264320. Its totient is φ = 493636024320.

The previous prime is 1641051000521. The next prime is 1641051000539. The reversal of 1641051000534 is 4350001501461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641051000539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106713454 + ... + 106728830.

It is an arithmetic number, because the mean of its divisors is an integer number (56355910380).

Almost surely, 2^{1641051000534} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641051000534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803389132160).

1641051000534 is an abundant number, since it is smaller than the sum of its proper divisors (1965727263786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641051000534 is a wasteful number, since it uses less digits than its factorization.

1641051000534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27165.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1641051000534 its reverse (4350001501461), we get a palindrome (5991052501995).

The spelling of 1641051000534 in words is "one trillion, six hundred forty-one billion, fifty-one million, five hundred thirty-four", and thus it is an aban number.