1036641648 has 120 divisors (see below), whose sum is σ = 3250827648. Its totient is φ = 283291008.

The previous prime is 1036641647. The next prime is 1036641689. The reversal of 1036641648 is 8461466301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036641647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44515 + ... + 63677.

Almost surely, 2^1036641648 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 1036641648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625413824).

1036641648 is an abundant number, since it is smaller than the sum of its proper divisors (2214186000).

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

1036641648 is a wasteful number, since it uses less digits than its factorization.

1036641648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211 (or 19198 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1036641648 is about 32196.9198526816. The cubic root of 1036641648 is about 1012.0676682504.

The spelling of 1036641648 in words is "one billion, thirty-six million, six hundred forty-one thousand, six hundred forty-eight".