1641513016 has 64 divisors (see below), whose sum is σ = 3638517120. Its totient is φ = 684443520.

The previous prime is 1641513011. The next prime is 1641513017. The reversal of 1641513016 is 6103151461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641513011) 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 15 ways as a sum of consecutive naturals, for example, 182071 + ... + 190873.

It is an arithmetic number, because the mean of its divisors is an integer number (56851830).

Almost surely, 2^1641513016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641513016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819258560).

1641513016 is an abundant number, since it is smaller than the sum of its proper divisors (1997004104).

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

1641513016 is a wasteful number, since it uses less digits than its factorization.

1641513016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996 (or 8992 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1641513016 is about 40515.5897896106. The cubic root of 1641513016 is about 1179.6362509956.

Adding to 1641513016 its reverse (6103151461), we get a palindrome (7744664477).

The spelling of 1641513016 in words is "one billion, six hundred forty-one million, five hundred thirteen thousand, sixteen".