36346531648 has 84 divisors (see below), whose sum is σ = 85484105892. Its totient is φ = 15283107840.

The previous prime is 36346531531. The next prime is 36346531679. The reversal of 36346531648 is 84613564363.

It can be written as a sum of positive squares in 2 ways, for example, as 9571100224 + 26775431424 = 97832^2 + 163632^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56868 + ... + 275548.

Almost surely, 2^36346531648 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 36346531648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42742052946).

36346531648 is an abundant number, since it is smaller than the sum of its proper divisors (49137574244).

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

36346531648 is a wasteful number, since it uses less digits than its factorization.

36346531648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218760 (or 218743 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 49.

The spelling of 36346531648 in words is "thirty-six billion, three hundred forty-six million, five hundred thirty-one thousand, six hundred forty-eight".